Home / 1,340,162.20-2,010,243.30-1,274,843.80

Finding the Fourth Proportional to 1,340,162.20, 2,010,243.30 and 1,274,843.80

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Solution

The fourth proportional to 1,340,162.20, 2,010,243.30 and 1,274,843.80 is: 1,912,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,162.20 : 2,010,243.30 = 1,274,843.80 : x
  2. Step 2: Convert to fraction form
    1,340,162.20/2,010,243.30 = 1,274,843.80/x
  3. Step 3: Cross multiply
    1,340,162.20x = 2,010,243.30 × 1,274,843.80
  4. Step 4: Simplify right side
    1,340,162.20x = 2,562,746,207,496.54
  5. Step 5: Solve for x
    x = 2,562,746,207,496.54/1,340,162.20
  6. Step 6: Final answer
    x = 1,912,265.70

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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.