Home / 1,214,545.92-1,676,073.60-678,001.92

Finding the Fourth Proportional to 1,214,545.92, 1,676,073.60 and 678,001.92

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Solution

The fourth proportional to 1,214,545.92, 1,676,073.60 and 678,001.92 is: 935,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,545.92 : 1,676,073.60 = 678,001.92 : x
  2. Step 2: Convert to fraction form
    1,214,545.92/1,676,073.60 = 678,001.92/x
  3. Step 3: Cross multiply
    1,214,545.92x = 1,676,073.60 × 678,001.92
  4. Step 4: Simplify right side
    1,214,545.92x = 1,136,381,118,861.31
  5. Step 5: Solve for x
    x = 1,136,381,118,861.31/1,214,545.92
  6. Step 6: Final answer
    x = 935,642.78

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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.