Home / 1,375,032.31-1,897,530.19-763,190.35

Finding the Fourth Proportional to 1,375,032.31, 1,897,530.19 and 763,190.35

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Solution

The fourth proportional to 1,375,032.31, 1,897,530.19 and 763,190.35 is: 1,053,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,032.31 : 1,897,530.19 = 763,190.35 : x
  2. Step 2: Convert to fraction form
    1,375,032.31/1,897,530.19 = 763,190.35/x
  3. Step 3: Cross multiply
    1,375,032.31x = 1,897,530.19 × 763,190.35
  4. Step 4: Simplify right side
    1,375,032.31x = 1,448,176,729,841.67
  5. Step 5: Solve for x
    x = 1,448,176,729,841.67/1,375,032.31
  6. Step 6: Final answer
    x = 1,053,194.69

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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.