Home / 1,218,754.33-1,681,716.00-674,876.13

Finding the Fourth Proportional to 1,218,754.33, 1,681,716.00 and 674,876.13

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Solution

The fourth proportional to 1,218,754.33, 1,681,716.00 and 674,876.13 is: 931,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,754.33 : 1,681,716.00 = 674,876.13 : x
  2. Step 2: Convert to fraction form
    1,218,754.33/1,681,716.00 = 674,876.13/x
  3. Step 3: Cross multiply
    1,218,754.33x = 1,681,716.00 × 674,876.13
  4. Step 4: Simplify right side
    1,218,754.33x = 1,134,949,982,063.43
  5. Step 5: Solve for x
    x = 1,134,949,982,063.43/1,218,754.33
  6. Step 6: Final answer
    x = 931,237.70

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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.