Home / 1,375,572.72-2,063,769.12-656,454.30

Finding the Fourth Proportional to 1,375,572.72, 2,063,769.12 and 656,454.30

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Solution

The fourth proportional to 1,375,572.72, 2,063,769.12 and 656,454.30 is: 984,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,572.72 : 2,063,769.12 = 656,454.30 : x
  2. Step 2: Convert to fraction form
    1,375,572.72/2,063,769.12 = 656,454.30/x
  3. Step 3: Cross multiply
    1,375,572.72x = 2,063,769.12 × 656,454.30
  4. Step 4: Simplify right side
    1,375,572.72x = 1,354,770,113,031.22
  5. Step 5: Solve for x
    x = 1,354,770,113,031.22/1,375,572.72
  6. Step 6: Final answer
    x = 984,877.13

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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.