Home / 1,227,642.26-1,694,231.49-744,227.78

Finding the Fourth Proportional to 1,227,642.26, 1,694,231.49 and 744,227.78

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Solution

The fourth proportional to 1,227,642.26, 1,694,231.49 and 744,227.78 is: 1,027,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,642.26 : 1,694,231.49 = 744,227.78 : x
  2. Step 2: Convert to fraction form
    1,227,642.26/1,694,231.49 = 744,227.78/x
  3. Step 3: Cross multiply
    1,227,642.26x = 1,694,231.49 × 744,227.78
  4. Step 4: Simplify right side
    1,227,642.26x = 1,260,894,132,137.63
  5. Step 5: Solve for x
    x = 1,260,894,132,137.63/1,227,642.26
  6. Step 6: Final answer
    x = 1,027,085.97

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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.