Home / 741,124.80-1,108,922.40-674,769.60

Finding the Fourth Proportional to 741,124.80, 1,108,922.40 and 674,769.60

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Solution

The fourth proportional to 741,124.80, 1,108,922.40 and 674,769.60 is: 1,009,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,124.80 : 1,108,922.40 = 674,769.60 : x
  2. Step 2: Convert to fraction form
    741,124.80/1,108,922.40 = 674,769.60/x
  3. Step 3: Cross multiply
    741,124.80x = 1,108,922.40 × 674,769.60
  4. Step 4: Simplify right side
    741,124.80x = 748,267,124,279.04
  5. Step 5: Solve for x
    x = 748,267,124,279.04/741,124.80
  6. Step 6: Final answer
    x = 1,009,637.14

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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.