Home / 1,272,262.68-1,755,726.30-699,361.56

Finding the Fourth Proportional to 1,272,262.68, 1,755,726.30 and 699,361.56

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Solution

The fourth proportional to 1,272,262.68, 1,755,726.30 and 699,361.56 is: 965,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,262.68 : 1,755,726.30 = 699,361.56 : x
  2. Step 2: Convert to fraction form
    1,272,262.68/1,755,726.30 = 699,361.56/x
  3. Step 3: Cross multiply
    1,272,262.68x = 1,755,726.30 × 699,361.56
  4. Step 4: Simplify right side
    1,272,262.68x = 1,227,887,484,101.03
  5. Step 5: Solve for x
    x = 1,227,887,484,101.03/1,272,262.68
  6. Step 6: Final answer
    x = 965,121.04

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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.