Home / 1,253,022.28-1,729,172.43-680,062.45

Finding the Fourth Proportional to 1,253,022.28, 1,729,172.43 and 680,062.45

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Solution

The fourth proportional to 1,253,022.28, 1,729,172.43 and 680,062.45 is: 938,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,022.28 : 1,729,172.43 = 680,062.45 : x
  2. Step 2: Convert to fraction form
    1,253,022.28/1,729,172.43 = 680,062.45/x
  3. Step 3: Cross multiply
    1,253,022.28x = 1,729,172.43 × 680,062.45
  4. Step 4: Simplify right side
    1,253,022.28x = 1,175,945,239,218.25
  5. Step 5: Solve for x
    x = 1,175,945,239,218.25/1,253,022.28
  6. Step 6: Final answer
    x = 938,487.09

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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.