Home / 1,247,827.68-1,722,002.20-674,867.85

Finding the Fourth Proportional to 1,247,827.68, 1,722,002.20 and 674,867.85

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Solution

The fourth proportional to 1,247,827.68, 1,722,002.20 and 674,867.85 is: 931,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,827.68 : 1,722,002.20 = 674,867.85 : x
  2. Step 2: Convert to fraction form
    1,247,827.68/1,722,002.20 = 674,867.85/x
  3. Step 3: Cross multiply
    1,247,827.68x = 1,722,002.20 × 674,867.85
  4. Step 4: Simplify right side
    1,247,827.68x = 1,162,123,922,409.27
  5. Step 5: Solve for x
    x = 1,162,123,922,409.27/1,247,827.68
  6. Step 6: Final answer
    x = 931,317.63

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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.