Home / 1,202,158.11-1,658,978.15-658,327.14

Finding the Fourth Proportional to 1,202,158.11, 1,658,978.15 and 658,327.14

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Solution

The fourth proportional to 1,202,158.11, 1,658,978.15 and 658,327.14 is: 908,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,158.11 : 1,658,978.15 = 658,327.14 : x
  2. Step 2: Convert to fraction form
    1,202,158.11/1,658,978.15 = 658,327.14/x
  3. Step 3: Cross multiply
    1,202,158.11x = 1,658,978.15 × 658,327.14
  4. Step 4: Simplify right side
    1,202,158.11x = 1,092,150,337,520.36
  5. Step 5: Solve for x
    x = 1,092,150,337,520.36/1,202,158.11
  6. Step 6: Final answer
    x = 908,491.43

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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.