Home / 1,375,130.85-1,897,651.17-763,247.94

Finding the Fourth Proportional to 1,375,130.85, 1,897,651.17 and 763,247.94

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Solution

The fourth proportional to 1,375,130.85, 1,897,651.17 and 763,247.94 is: 1,053,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,130.85 : 1,897,651.17 = 763,247.94 : x
  2. Step 2: Convert to fraction form
    1,375,130.85/1,897,651.17 = 763,247.94/x
  3. Step 3: Cross multiply
    1,375,130.85x = 1,897,651.17 × 763,247.94
  4. Step 4: Simplify right side
    1,375,130.85x = 1,448,378,346,341.09
  5. Step 5: Solve for x
    x = 1,448,378,346,341.09/1,375,130.85
  6. Step 6: Final answer
    x = 1,053,265.84

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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.