Home / 1,264,789.26-1,745,997.39-748,380.78

Finding the Fourth Proportional to 1,264,789.26, 1,745,997.39 and 748,380.78

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Solution

The fourth proportional to 1,264,789.26, 1,745,997.39 and 748,380.78 is: 1,033,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,789.26 : 1,745,997.39 = 748,380.78 : x
  2. Step 2: Convert to fraction form
    1,264,789.26/1,745,997.39 = 748,380.78/x
  3. Step 3: Cross multiply
    1,264,789.26x = 1,745,997.39 × 748,380.78
  4. Step 4: Simplify right side
    1,264,789.26x = 1,306,670,888,606.16
  5. Step 5: Solve for x
    x = 1,306,670,888,606.16/1,264,789.26
  6. Step 6: Final answer
    x = 1,033,113.52

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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.