Home / 1,127,717.10-1,691,640.45-329,121.90

Finding the Fourth Proportional to 1,127,717.10, 1,691,640.45 and 329,121.90

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Solution

The fourth proportional to 1,127,717.10, 1,691,640.45 and 329,121.90 is: 493,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,717.10 : 1,691,640.45 = 329,121.90 : x
  2. Step 2: Convert to fraction form
    1,127,717.10/1,691,640.45 = 329,121.90/x
  3. Step 3: Cross multiply
    1,127,717.10x = 1,691,640.45 × 329,121.90
  4. Step 4: Simplify right side
    1,127,717.10x = 556,755,919,020.86
  5. Step 5: Solve for x
    x = 556,755,919,020.86/1,127,717.10
  6. Step 6: Final answer
    x = 493,701.76

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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.