Home / 1,230,080.80-1,845,121.20-755,226.40

Finding the Fourth Proportional to 1,230,080.80, 1,845,121.20 and 755,226.40

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Solution

The fourth proportional to 1,230,080.80, 1,845,121.20 and 755,226.40 is: 1,132,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,080.80 : 1,845,121.20 = 755,226.40 : x
  2. Step 2: Convert to fraction form
    1,230,080.80/1,845,121.20 = 755,226.40/x
  3. Step 3: Cross multiply
    1,230,080.80x = 1,845,121.20 × 755,226.40
  4. Step 4: Simplify right side
    1,230,080.80x = 1,393,484,241,439.68
  5. Step 5: Solve for x
    x = 1,393,484,241,439.68/1,230,080.80
  6. Step 6: Final answer
    x = 1,132,839.60

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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.