Home / 1,253,374.11-1,729,473.80-716,726.43

Finding the Fourth Proportional to 1,253,374.11, 1,729,473.80 and 716,726.43

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Solution

The fourth proportional to 1,253,374.11, 1,729,473.80 and 716,726.43 is: 988,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,374.11 : 1,729,473.80 = 716,726.43 : x
  2. Step 2: Convert to fraction form
    1,253,374.11/1,729,473.80 = 716,726.43/x
  3. Step 3: Cross multiply
    1,253,374.11x = 1,729,473.80 × 716,726.43
  4. Step 4: Simplify right side
    1,253,374.11x = 1,239,559,578,868.90
  5. Step 5: Solve for x
    x = 1,239,559,578,868.90/1,253,374.11
  6. Step 6: Final answer
    x = 988,978.13

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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.