Home / 1,344,124.20-2,016,186.30-1,278,805.80

Finding the Fourth Proportional to 1,344,124.20, 2,016,186.30 and 1,278,805.80

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Solution

The fourth proportional to 1,344,124.20, 2,016,186.30 and 1,278,805.80 is: 1,918,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,124.20 : 2,016,186.30 = 1,278,805.80 : x
  2. Step 2: Convert to fraction form
    1,344,124.20/2,016,186.30 = 1,278,805.80/x
  3. Step 3: Cross multiply
    1,344,124.20x = 2,016,186.30 × 1,278,805.80
  4. Step 4: Simplify right side
    1,344,124.20x = 2,578,310,734,320.54
  5. Step 5: Solve for x
    x = 2,578,310,734,320.54/1,344,124.20
  6. Step 6: Final answer
    x = 1,918,208.70

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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.