Home / 925,500.80-1,388,251.20-873,012.80

Finding the Fourth Proportional to 925,500.80, 1,388,251.20 and 873,012.80

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Solution

The fourth proportional to 925,500.80, 1,388,251.20 and 873,012.80 is: 1,309,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,500.80 : 1,388,251.20 = 873,012.80 : x
  2. Step 2: Convert to fraction form
    925,500.80/1,388,251.20 = 873,012.80/x
  3. Step 3: Cross multiply
    925,500.80x = 1,388,251.20 × 873,012.80
  4. Step 4: Simplify right side
    925,500.80x = 1,211,961,067,215.36
  5. Step 5: Solve for x
    x = 1,211,961,067,215.36/925,500.80
  6. Step 6: Final answer
    x = 1,309,519.20

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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.