Home / 1,098,229.44-1,515,256.56-754,168.80

Finding the Fourth Proportional to 1,098,229.44, 1,515,256.56 and 754,168.80

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Solution

The fourth proportional to 1,098,229.44, 1,515,256.56 and 754,168.80 is: 1,040,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,229.44 : 1,515,256.56 = 754,168.80 : x
  2. Step 2: Convert to fraction form
    1,098,229.44/1,515,256.56 = 754,168.80/x
  3. Step 3: Cross multiply
    1,098,229.44x = 1,515,256.56 × 754,168.80
  4. Step 4: Simplify right side
    1,098,229.44x = 1,142,759,221,547.33
  5. Step 5: Solve for x
    x = 1,142,759,221,547.33/1,098,229.44
  6. Step 6: Final answer
    x = 1,040,546.88

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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.