Home / 1,253,023.80-1,729,174.48-680,063.96

Finding the Fourth Proportional to 1,253,023.80, 1,729,174.48 and 680,063.96

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Solution

The fourth proportional to 1,253,023.80, 1,729,174.48 and 680,063.96 is: 938,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,023.80 : 1,729,174.48 = 680,063.96 : x
  2. Step 2: Convert to fraction form
    1,253,023.80/1,729,174.48 = 680,063.96/x
  3. Step 3: Cross multiply
    1,253,023.80x = 1,729,174.48 × 680,063.96
  4. Step 4: Simplify right side
    1,253,023.80x = 1,175,949,244,399.74
  5. Step 5: Solve for x
    x = 1,175,949,244,399.74/1,253,023.80
  6. Step 6: Final answer
    x = 938,489.15

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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.