Home / 1,107,635.31-1,664,921.12-730,976.54

Finding the Fourth Proportional to 1,107,635.31, 1,664,921.12 and 730,976.54

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Solution

The fourth proportional to 1,107,635.31, 1,664,921.12 and 730,976.54 is: 1,098,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,635.31 : 1,664,921.12 = 730,976.54 : x
  2. Step 2: Convert to fraction form
    1,107,635.31/1,664,921.12 = 730,976.54/x
  3. Step 3: Cross multiply
    1,107,635.31x = 1,664,921.12 × 730,976.54
  4. Step 4: Simplify right side
    1,107,635.31x = 1,217,018,267,691.04
  5. Step 5: Solve for x
    x = 1,217,018,267,691.04/1,107,635.31
  6. Step 6: Final answer
    x = 1,098,753.58

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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.