Home / 787,729.20-1,179,844.20-682,753.20

Finding the Fourth Proportional to 787,729.20, 1,179,844.20 and 682,753.20

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Solution

The fourth proportional to 787,729.20, 1,179,844.20 and 682,753.20 is: 1,022,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,729.20 : 1,179,844.20 = 682,753.20 : x
  2. Step 2: Convert to fraction form
    787,729.20/1,179,844.20 = 682,753.20/x
  3. Step 3: Cross multiply
    787,729.20x = 1,179,844.20 × 682,753.20
  4. Step 4: Simplify right side
    787,729.20x = 805,542,403,051.44
  5. Step 5: Solve for x
    x = 805,542,403,051.44/787,729.20
  6. Step 6: Final answer
    x = 1,022,613.36

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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.