Home / 787,687.20-1,179,781.20-682,711.20

Finding the Fourth Proportional to 787,687.20, 1,179,781.20 and 682,711.20

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Solution

The fourth proportional to 787,687.20, 1,179,781.20 and 682,711.20 is: 1,022,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,687.20 : 1,179,781.20 = 682,711.20 : x
  2. Step 2: Convert to fraction form
    787,687.20/1,179,781.20 = 682,711.20/x
  3. Step 3: Cross multiply
    787,687.20x = 1,179,781.20 × 682,711.20
  4. Step 4: Simplify right side
    787,687.20x = 805,449,838,789.44
  5. Step 5: Solve for x
    x = 805,449,838,789.44/787,687.20
  6. Step 6: Final answer
    x = 1,022,550.37

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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.