Home / 1,276,545.60-1,761,672.24-732,780.72

Finding the Fourth Proportional to 1,276,545.60, 1,761,672.24 and 732,780.72

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Solution

The fourth proportional to 1,276,545.60, 1,761,672.24 and 732,780.72 is: 1,011,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,545.60 : 1,761,672.24 = 732,780.72 : x
  2. Step 2: Convert to fraction form
    1,276,545.60/1,761,672.24 = 732,780.72/x
  3. Step 3: Cross multiply
    1,276,545.60x = 1,761,672.24 × 732,780.72
  4. Step 4: Simplify right side
    1,276,545.60x = 1,290,919,452,431.21
  5. Step 5: Solve for x
    x = 1,290,919,452,431.21/1,276,545.60
  6. Step 6: Final answer
    x = 1,011,259.96

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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.