Home / 1,324,046.12-1,985,773.62-613,981.90

Finding the Fourth Proportional to 1,324,046.12, 1,985,773.62 and 613,981.90

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Solution

The fourth proportional to 1,324,046.12, 1,985,773.62 and 613,981.90 is: 920,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,046.12 : 1,985,773.62 = 613,981.90 : x
  2. Step 2: Convert to fraction form
    1,324,046.12/1,985,773.62 = 613,981.90/x
  3. Step 3: Cross multiply
    1,324,046.12x = 1,985,773.62 × 613,981.90
  4. Step 4: Simplify right side
    1,324,046.12x = 1,219,229,050,248.61
  5. Step 5: Solve for x
    x = 1,219,229,050,248.61/1,324,046.12
  6. Step 6: Final answer
    x = 920,835.79

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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.