Home / 1,012,933.20-1,397,645.64-560,136.72

Finding the Fourth Proportional to 1,012,933.20, 1,397,645.64 and 560,136.72

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Solution

The fourth proportional to 1,012,933.20, 1,397,645.64 and 560,136.72 is: 772,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,933.20 : 1,397,645.64 = 560,136.72 : x
  2. Step 2: Convert to fraction form
    1,012,933.20/1,397,645.64 = 560,136.72/x
  3. Step 3: Cross multiply
    1,012,933.20x = 1,397,645.64 × 560,136.72
  4. Step 4: Simplify right side
    1,012,933.20x = 782,872,644,511.90
  5. Step 5: Solve for x
    x = 782,872,644,511.90/1,012,933.20
  6. Step 6: Final answer
    x = 772,876.87

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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.