Home / 1,224,468.52-1,689,694.22-680,585.62

Finding the Fourth Proportional to 1,224,468.52, 1,689,694.22 and 680,585.62

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Solution

The fourth proportional to 1,224,468.52, 1,689,694.22 and 680,585.62 is: 939,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,468.52 : 1,689,694.22 = 680,585.62 : x
  2. Step 2: Convert to fraction form
    1,224,468.52/1,689,694.22 = 680,585.62/x
  3. Step 3: Cross multiply
    1,224,468.52x = 1,689,694.22 × 680,585.62
  4. Step 4: Simplify right side
    1,224,468.52x = 1,149,981,588,329.12
  5. Step 5: Solve for x
    x = 1,149,981,588,329.12/1,224,468.52
  6. Step 6: Final answer
    x = 939,167.95

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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.