Home / 947,382.56-1,418,527.36-721,667.76

Finding the Fourth Proportional to 947,382.56, 1,418,527.36 and 721,667.76

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Solution

The fourth proportional to 947,382.56, 1,418,527.36 and 721,667.76 is: 1,080,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,382.56 : 1,418,527.36 = 721,667.76 : x
  2. Step 2: Convert to fraction form
    947,382.56/1,418,527.36 = 721,667.76/x
  3. Step 3: Cross multiply
    947,382.56x = 1,418,527.36 × 721,667.76
  4. Step 4: Simplify right side
    947,382.56x = 1,023,705,458,781.57
  5. Step 5: Solve for x
    x = 1,023,705,458,781.57/947,382.56
  6. Step 6: Final answer
    x = 1,080,561.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.