Home / 1,126,921.28-1,555,147.67-610,677.18

Finding the Fourth Proportional to 1,126,921.28, 1,555,147.67 and 610,677.18

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Solution

The fourth proportional to 1,126,921.28, 1,555,147.67 and 610,677.18 is: 842,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,921.28 : 1,555,147.67 = 610,677.18 : x
  2. Step 2: Convert to fraction form
    1,126,921.28/1,555,147.67 = 610,677.18/x
  3. Step 3: Cross multiply
    1,126,921.28x = 1,555,147.67 × 610,677.18
  4. Step 4: Simplify right side
    1,126,921.28x = 949,693,190,545.79
  5. Step 5: Solve for x
    x = 949,693,190,545.79/1,126,921.28
  6. Step 6: Final answer
    x = 842,732.51

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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.