Home / 1,375,144.53-1,897,497.21-763,301.88

Finding the Fourth Proportional to 1,375,144.53, 1,897,497.21 and 763,301.88

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Solution

The fourth proportional to 1,375,144.53, 1,897,497.21 and 763,301.88 is: 1,053,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,144.53 : 1,897,497.21 = 763,301.88 : x
  2. Step 2: Convert to fraction form
    1,375,144.53/1,897,497.21 = 763,301.88/x
  3. Step 3: Cross multiply
    1,375,144.53x = 1,897,497.21 × 763,301.88
  4. Step 4: Simplify right side
    1,375,144.53x = 1,448,363,187,687.76
  5. Step 5: Solve for x
    x = 1,448,363,187,687.76/1,375,144.53
  6. Step 6: Final answer
    x = 1,053,244.34

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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.