Home / 1,088,421.30-1,632,631.95-423,573.30

Finding the Fourth Proportional to 1,088,421.30, 1,632,631.95 and 423,573.30

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Solution

The fourth proportional to 1,088,421.30, 1,632,631.95 and 423,573.30 is: 635,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,421.30 : 1,632,631.95 = 423,573.30 : x
  2. Step 2: Convert to fraction form
    1,088,421.30/1,632,631.95 = 423,573.30/x
  3. Step 3: Cross multiply
    1,088,421.30x = 1,632,631.95 × 423,573.30
  4. Step 4: Simplify right side
    1,088,421.30x = 691,539,302,746.94
  5. Step 5: Solve for x
    x = 691,539,302,746.94/1,088,421.30
  6. Step 6: Final answer
    x = 635,359.95

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Half scale
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Double scale
Find fourth proportional to 1,088,422.30, 1,632,633.45 and 423,574.30
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.