Home / 1,292,963.46-1,784,289.55-749,414.53

Finding the Fourth Proportional to 1,292,963.46, 1,784,289.55 and 749,414.53

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Solution

The fourth proportional to 1,292,963.46, 1,784,289.55 and 749,414.53 is: 1,034,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,963.46 : 1,784,289.55 = 749,414.53 : x
  2. Step 2: Convert to fraction form
    1,292,963.46/1,784,289.55 = 749,414.53/x
  3. Step 3: Cross multiply
    1,292,963.46x = 1,784,289.55 × 749,414.53
  4. Step 4: Simplify right side
    1,292,963.46x = 1,337,172,514,497.16
  5. Step 5: Solve for x
    x = 1,337,172,514,497.16/1,292,963.46
  6. Step 6: Final answer
    x = 1,034,192.04

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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.