Home / 1,247,828.74-1,722,003.65-674,868.92

Finding the Fourth Proportional to 1,247,828.74, 1,722,003.65 and 674,868.92

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Solution

The fourth proportional to 1,247,828.74, 1,722,003.65 and 674,868.92 is: 931,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,828.74 : 1,722,003.65 = 674,868.92 : x
  2. Step 2: Convert to fraction form
    1,247,828.74/1,722,003.65 = 674,868.92/x
  3. Step 3: Cross multiply
    1,247,828.74x = 1,722,003.65 × 674,868.92
  4. Step 4: Simplify right side
    1,247,828.74x = 1,162,126,737,854.09
  5. Step 5: Solve for x
    x = 1,162,126,737,854.09/1,247,828.74
  6. Step 6: Final answer
    x = 931,319.10

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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.