Home / 1,227,642.75-1,694,232.17-744,228.27

Finding the Fourth Proportional to 1,227,642.75, 1,694,232.17 and 744,228.27

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Solution

The fourth proportional to 1,227,642.75, 1,694,232.17 and 744,228.27 is: 1,027,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,642.75 : 1,694,232.17 = 744,228.27 : x
  2. Step 2: Convert to fraction form
    1,227,642.75/1,694,232.17 = 744,228.27/x
  3. Step 3: Cross multiply
    1,227,642.75x = 1,694,232.17 × 744,228.27
  4. Step 4: Simplify right side
    1,227,642.75x = 1,260,895,476,857.45
  5. Step 5: Solve for x
    x = 1,260,895,476,857.45/1,227,642.75
  6. Step 6: Final answer
    x = 1,027,086.65

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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.