Home / 1,096,654.80-1,644,982.20-777,790.20

Finding the Fourth Proportional to 1,096,654.80, 1,644,982.20 and 777,790.20

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Solution

The fourth proportional to 1,096,654.80, 1,644,982.20 and 777,790.20 is: 1,166,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,654.80 : 1,644,982.20 = 777,790.20 : x
  2. Step 2: Convert to fraction form
    1,096,654.80/1,644,982.20 = 777,790.20/x
  3. Step 3: Cross multiply
    1,096,654.80x = 1,644,982.20 × 777,790.20
  4. Step 4: Simplify right side
    1,096,654.80x = 1,279,451,034,334.44
  5. Step 5: Solve for x
    x = 1,279,451,034,334.44/1,096,654.80
  6. Step 6: Final answer
    x = 1,166,685.30

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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.