Home / 1,375,003.46-1,897,468.31-763,140.44

Finding the Fourth Proportional to 1,375,003.46, 1,897,468.31 and 763,140.44

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Solution

The fourth proportional to 1,375,003.46, 1,897,468.31 and 763,140.44 is: 1,053,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,003.46 : 1,897,468.31 = 763,140.44 : x
  2. Step 2: Convert to fraction form
    1,375,003.46/1,897,468.31 = 763,140.44/x
  3. Step 3: Cross multiply
    1,375,003.46x = 1,897,468.31 × 763,140.44
  4. Step 4: Simplify right side
    1,375,003.46x = 1,448,034,794,811.39
  5. Step 5: Solve for x
    x = 1,448,034,794,811.39/1,375,003.46
  6. Step 6: Final answer
    x = 1,053,113.56

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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.