Home / 1,025,334.10-1,538,001.15-521,449.30

Finding the Fourth Proportional to 1,025,334.10, 1,538,001.15 and 521,449.30

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Solution

The fourth proportional to 1,025,334.10, 1,538,001.15 and 521,449.30 is: 782,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,334.10 : 1,538,001.15 = 521,449.30 : x
  2. Step 2: Convert to fraction form
    1,025,334.10/1,538,001.15 = 521,449.30/x
  3. Step 3: Cross multiply
    1,025,334.10x = 1,538,001.15 × 521,449.30
  4. Step 4: Simplify right side
    1,025,334.10x = 801,989,623,066.70
  5. Step 5: Solve for x
    x = 801,989,623,066.70/1,025,334.10
  6. Step 6: Final answer
    x = 782,173.95

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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.