Home / 1,375,131.85-1,897,652.55-763,248.94

Finding the Fourth Proportional to 1,375,131.85, 1,897,652.55 and 763,248.94

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Solution

The fourth proportional to 1,375,131.85, 1,897,652.55 and 763,248.94 is: 1,053,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,131.85 : 1,897,652.55 = 763,248.94 : x
  2. Step 2: Convert to fraction form
    1,375,131.85/1,897,652.55 = 763,248.94/x
  3. Step 3: Cross multiply
    1,375,131.85x = 1,897,652.55 × 763,248.94
  4. Step 4: Simplify right side
    1,375,131.85x = 1,448,381,297,275.80
  5. Step 5: Solve for x
    x = 1,448,381,297,275.80/1,375,131.85
  6. Step 6: Final answer
    x = 1,053,267.22

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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.