Home / 1,206,195-1,810,121.94-418,227

Finding the Fourth Proportional to 1,206,195, 1,810,121.94 and 418,227

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Solution

The fourth proportional to 1,206,195, 1,810,121.94 and 418,227 is: 627,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,195 : 1,810,121.94 = 418,227 : x
  2. Step 2: Convert to fraction form
    1,206,195/1,810,121.94 = 418,227/x
  3. Step 3: Cross multiply
    1,206,195x = 1,810,121.94 × 418,227
  4. Step 4: Simplify right side
    1,206,195x = 757,041,868,600.38
  5. Step 5: Solve for x
    x = 757,041,868,600.38/1,206,195
  6. Step 6: Final answer
    x = 627,628.09

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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.