Home / 1,292,963.73-1,784,289.89-749,414.80

Finding the Fourth Proportional to 1,292,963.73, 1,784,289.89 and 749,414.80

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Solution

The fourth proportional to 1,292,963.73, 1,784,289.89 and 749,414.80 is: 1,034,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,963.73 : 1,784,289.89 = 749,414.80 : x
  2. Step 2: Convert to fraction form
    1,292,963.73/1,784,289.89 = 749,414.80/x
  3. Step 3: Cross multiply
    1,292,963.73x = 1,784,289.89 × 749,414.80
  4. Step 4: Simplify right side
    1,292,963.73x = 1,337,173,247,309.30
  5. Step 5: Solve for x
    x = 1,337,173,247,309.30/1,292,963.73
  6. Step 6: Final answer
    x = 1,034,192.39

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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.