Home / 1,257,512.31-1,735,097.90-748,115.19

Finding the Fourth Proportional to 1,257,512.31, 1,735,097.90 and 748,115.19

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Solution

The fourth proportional to 1,257,512.31, 1,735,097.90 and 748,115.19 is: 1,032,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,512.31 : 1,735,097.90 = 748,115.19 : x
  2. Step 2: Convert to fraction form
    1,257,512.31/1,735,097.90 = 748,115.19/x
  3. Step 3: Cross multiply
    1,257,512.31x = 1,735,097.90 × 748,115.19
  4. Step 4: Simplify right side
    1,257,512.31x = 1,298,053,091,386.52
  5. Step 5: Solve for x
    x = 1,298,053,091,386.52/1,257,512.31
  6. Step 6: Final answer
    x = 1,032,238.87

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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.