Home / 1,555,219.30-2,332,828.95-433,288.30

Finding the Fourth Proportional to 1,555,219.30, 2,332,828.95 and 433,288.30

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Solution

The fourth proportional to 1,555,219.30, 2,332,828.95 and 433,288.30 is: 649,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,219.30 : 2,332,828.95 = 433,288.30 : x
  2. Step 2: Convert to fraction form
    1,555,219.30/2,332,828.95 = 433,288.30/x
  3. Step 3: Cross multiply
    1,555,219.30x = 2,332,828.95 × 433,288.30
  4. Step 4: Simplify right side
    1,555,219.30x = 1,010,787,489,936.29
  5. Step 5: Solve for x
    x = 1,010,787,489,936.29/1,555,219.30
  6. Step 6: Final answer
    x = 649,932.45

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Double scale
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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.