Home / 1,375,127.85-1,897,647.03-763,244.94

Finding the Fourth Proportional to 1,375,127.85, 1,897,647.03 and 763,244.94

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Solution

The fourth proportional to 1,375,127.85, 1,897,647.03 and 763,244.94 is: 1,053,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,127.85 : 1,897,647.03 = 763,244.94 : x
  2. Step 2: Convert to fraction form
    1,375,127.85/1,897,647.03 = 763,244.94/x
  3. Step 3: Cross multiply
    1,375,127.85x = 1,897,647.03 × 763,244.94
  4. Step 4: Simplify right side
    1,375,127.85x = 1,448,369,493,553.53
  5. Step 5: Solve for x
    x = 1,448,369,493,553.53/1,375,127.85
  6. Step 6: Final answer
    x = 1,053,261.70

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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.