Home / 1,419,375.52-1,958,669.94-807,470.80

Finding the Fourth Proportional to 1,419,375.52, 1,958,669.94 and 807,470.80

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Solution

The fourth proportional to 1,419,375.52, 1,958,669.94 and 807,470.80 is: 1,114,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,375.52 : 1,958,669.94 = 807,470.80 : x
  2. Step 2: Convert to fraction form
    1,419,375.52/1,958,669.94 = 807,470.80/x
  3. Step 3: Cross multiply
    1,419,375.52x = 1,958,669.94 × 807,470.80
  4. Step 4: Simplify right side
    1,419,375.52x = 1,581,568,783,387.75
  5. Step 5: Solve for x
    x = 1,581,568,783,387.75/1,419,375.52
  6. Step 6: Final answer
    x = 1,114,270.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.