Home / 1,098,811.31-1,516,287.42-615,265.61

Finding the Fourth Proportional to 1,098,811.31, 1,516,287.42 and 615,265.61

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Solution

The fourth proportional to 1,098,811.31, 1,516,287.42 and 615,265.61 is: 849,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,811.31 : 1,516,287.42 = 615,265.61 : x
  2. Step 2: Convert to fraction form
    1,098,811.31/1,516,287.42 = 615,265.61/x
  3. Step 3: Cross multiply
    1,098,811.31x = 1,516,287.42 × 615,265.61
  4. Step 4: Simplify right side
    1,098,811.31x = 932,919,496,820.19
  5. Step 5: Solve for x
    x = 932,919,496,820.19/1,098,811.31
  6. Step 6: Final answer
    x = 849,026.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.