Home / 1,013,733.92-1,399,147.04-724,131.52

Finding the Fourth Proportional to 1,013,733.92, 1,399,147.04 and 724,131.52

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Solution

The fourth proportional to 1,013,733.92, 1,399,147.04 and 724,131.52 is: 999,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,733.92 : 1,399,147.04 = 724,131.52 : x
  2. Step 2: Convert to fraction form
    1,013,733.92/1,399,147.04 = 724,131.52/x
  3. Step 3: Cross multiply
    1,013,733.92x = 1,399,147.04 × 724,131.52
  4. Step 4: Simplify right side
    1,013,733.92x = 1,013,166,472,778.70
  5. Step 5: Solve for x
    x = 1,013,166,472,778.70/1,013,733.92
  6. Step 6: Final answer
    x = 999,440.24

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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.