Home / 1,202,942.80-1,804,414.20-1,123,226.65

Finding the Fourth Proportional to 1,202,942.80, 1,804,414.20 and 1,123,226.65

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Solution

The fourth proportional to 1,202,942.80, 1,804,414.20 and 1,123,226.65 is: 1,684,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,942.80 : 1,804,414.20 = 1,123,226.65 : x
  2. Step 2: Convert to fraction form
    1,202,942.80/1,804,414.20 = 1,123,226.65/x
  3. Step 3: Cross multiply
    1,202,942.80x = 1,804,414.20 × 1,123,226.65
  4. Step 4: Simplify right side
    1,202,942.80x = 2,026,766,117,078.43
  5. Step 5: Solve for x
    x = 2,026,766,117,078.43/1,202,942.80
  6. Step 6: Final answer
    x = 1,684,839.98

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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.