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Finding the Fourth Proportional to 844,649.40, 1,266,974.10 and 788,662.20

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Solution

The fourth proportional to 844,649.40, 1,266,974.10 and 788,662.20 is: 1,182,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,649.40 : 1,266,974.10 = 788,662.20 : x
  2. Step 2: Convert to fraction form
    844,649.40/1,266,974.10 = 788,662.20/x
  3. Step 3: Cross multiply
    844,649.40x = 1,266,974.10 × 788,662.20
  4. Step 4: Simplify right side
    844,649.40x = 999,214,581,049.02
  5. Step 5: Solve for x
    x = 999,214,581,049.02/844,649.40
  6. Step 6: Final answer
    x = 1,182,993.30

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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.