Home / 1,247,580.80-1,721,660.24-674,619.52

Finding the Fourth Proportional to 1,247,580.80, 1,721,660.24 and 674,619.52

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Solution

The fourth proportional to 1,247,580.80, 1,721,660.24 and 674,619.52 is: 930,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,580.80 : 1,721,660.24 = 674,619.52 : x
  2. Step 2: Convert to fraction form
    1,247,580.80/1,721,660.24 = 674,619.52/x
  3. Step 3: Cross multiply
    1,247,580.80x = 1,721,660.24 × 674,619.52
  4. Step 4: Simplify right side
    1,247,580.80x = 1,161,465,604,711.88
  5. Step 5: Solve for x
    x = 1,161,465,604,711.88/1,247,580.80
  6. Step 6: Final answer
    x = 930,974.25

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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.