Home / 814,808.80-1,222,431.90-726,672.70

Finding the Fourth Proportional to 814,808.80, 1,222,431.90 and 726,672.70

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Solution

The fourth proportional to 814,808.80, 1,222,431.90 and 726,672.70 is: 1,090,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,808.80 : 1,222,431.90 = 726,672.70 : x
  2. Step 2: Convert to fraction form
    814,808.80/1,222,431.90 = 726,672.70/x
  3. Step 3: Cross multiply
    814,808.80x = 1,222,431.90 × 726,672.70
  4. Step 4: Simplify right side
    814,808.80x = 888,307,889,339.13
  5. Step 5: Solve for x
    x = 888,307,889,339.13/814,808.80
  6. Step 6: Final answer
    x = 1,090,204.09

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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.