Home / 1,227,642.50-1,694,231.82-744,228.02

Finding the Fourth Proportional to 1,227,642.50, 1,694,231.82 and 744,228.02

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Solution

The fourth proportional to 1,227,642.50, 1,694,231.82 and 744,228.02 is: 1,027,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,642.50 : 1,694,231.82 = 744,228.02 : x
  2. Step 2: Convert to fraction form
    1,227,642.50/1,694,231.82 = 744,228.02/x
  3. Step 3: Cross multiply
    1,227,642.50x = 1,694,231.82 × 744,228.02
  4. Step 4: Simplify right side
    1,227,642.50x = 1,260,894,792,819.60
  5. Step 5: Solve for x
    x = 1,260,894,792,819.60/1,227,642.50
  6. Step 6: Final answer
    x = 1,027,086.30

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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.