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Finding the Fourth Proportional to 1,229,772.60, 1,844,658.90 and 754,918.20

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Solution

The fourth proportional to 1,229,772.60, 1,844,658.90 and 754,918.20 is: 1,132,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,772.60 : 1,844,658.90 = 754,918.20 : x
  2. Step 2: Convert to fraction form
    1,229,772.60/1,844,658.90 = 754,918.20/x
  3. Step 3: Cross multiply
    1,229,772.60x = 1,844,658.90 × 754,918.20
  4. Step 4: Simplify right side
    1,229,772.60x = 1,392,566,576,401.98
  5. Step 5: Solve for x
    x = 1,392,566,576,401.98/1,229,772.60
  6. Step 6: Final answer
    x = 1,132,377.30

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Similar ratio
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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.