Home / 1,073,691.72-1,609,356.57-442,261.08

Finding the Fourth Proportional to 1,073,691.72, 1,609,356.57 and 442,261.08

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Solution

The fourth proportional to 1,073,691.72, 1,609,356.57 and 442,261.08 is: 662,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,691.72 : 1,609,356.57 = 442,261.08 : x
  2. Step 2: Convert to fraction form
    1,073,691.72/1,609,356.57 = 442,261.08/x
  3. Step 3: Cross multiply
    1,073,691.72x = 1,609,356.57 × 442,261.08
  4. Step 4: Simplify right side
    1,073,691.72x = 711,755,774,753.30
  5. Step 5: Solve for x
    x = 711,755,774,753.30/1,073,691.72
  6. Step 6: Final answer
    x = 662,905.15

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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.