Home / 1,555,206.30-2,332,809.45-433,275.30

Finding the Fourth Proportional to 1,555,206.30, 2,332,809.45 and 433,275.30

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Solution

The fourth proportional to 1,555,206.30, 2,332,809.45 and 433,275.30 is: 649,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,206.30 : 2,332,809.45 = 433,275.30 : x
  2. Step 2: Convert to fraction form
    1,555,206.30/2,332,809.45 = 433,275.30/x
  3. Step 3: Cross multiply
    1,555,206.30x = 2,332,809.45 × 433,275.30
  4. Step 4: Simplify right side
    1,555,206.30x = 1,010,748,714,291.59
  5. Step 5: Solve for x
    x = 1,010,748,714,291.59/1,555,206.30
  6. Step 6: Final answer
    x = 649,912.95

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Half scale
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Double scale
Find fourth proportional to 1,555,207.30, 2,332,810.95 and 433,276.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.