Home / 1,247,829.80-1,722,005.19-674,869.82

Finding the Fourth Proportional to 1,247,829.80, 1,722,005.19 and 674,869.82

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Solution

The fourth proportional to 1,247,829.80, 1,722,005.19 and 674,869.82 is: 931,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,829.80 : 1,722,005.19 = 674,869.82 : x
  2. Step 2: Convert to fraction form
    1,247,829.80/1,722,005.19 = 674,869.82/x
  3. Step 3: Cross multiply
    1,247,829.80x = 1,722,005.19 × 674,869.82
  4. Step 4: Simplify right side
    1,247,829.80x = 1,162,129,324,004.34
  5. Step 5: Solve for x
    x = 1,162,129,324,004.34/1,247,829.80
  6. Step 6: Final answer
    x = 931,320.38

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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.