Home / 1,230,517.20-1,844,393.40-631,246.80

Finding the Fourth Proportional to 1,230,517.20, 1,844,393.40 and 631,246.80

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Solution

The fourth proportional to 1,230,517.20, 1,844,393.40 and 631,246.80 is: 946,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,517.20 : 1,844,393.40 = 631,246.80 : x
  2. Step 2: Convert to fraction form
    1,230,517.20/1,844,393.40 = 631,246.80/x
  3. Step 3: Cross multiply
    1,230,517.20x = 1,844,393.40 × 631,246.80
  4. Step 4: Simplify right side
    1,230,517.20x = 1,164,267,431,691.12
  5. Step 5: Solve for x
    x = 1,164,267,431,691.12/1,230,517.20
  6. Step 6: Final answer
    x = 946,161.04

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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.