Home / 1,253,373.86-1,729,473.45-716,726.18

Finding the Fourth Proportional to 1,253,373.86, 1,729,473.45 and 716,726.18

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Solution

The fourth proportional to 1,253,373.86, 1,729,473.45 and 716,726.18 is: 988,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,373.86 : 1,729,473.45 = 716,726.18 : x
  2. Step 2: Convert to fraction form
    1,253,373.86/1,729,473.45 = 716,726.18/x
  3. Step 3: Cross multiply
    1,253,373.86x = 1,729,473.45 × 716,726.18
  4. Step 4: Simplify right side
    1,253,373.86x = 1,239,558,899,229.92
  5. Step 5: Solve for x
    x = 1,239,558,899,229.92/1,253,373.86
  6. Step 6: Final answer
    x = 988,977.78

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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.