Home / 3,103,140.80-4,654,711.20-859,278.80

Finding the Fourth Proportional to 3,103,140.80, 4,654,711.20 and 859,278.80

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Solution

The fourth proportional to 3,103,140.80, 4,654,711.20 and 859,278.80 is: 1,288,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,140.80 : 4,654,711.20 = 859,278.80 : x
  2. Step 2: Convert to fraction form
    3,103,140.80/4,654,711.20 = 859,278.80/x
  3. Step 3: Cross multiply
    3,103,140.80x = 4,654,711.20 × 859,278.80
  4. Step 4: Simplify right side
    3,103,140.80x = 3,999,694,654,282.56
  5. Step 5: Solve for x
    x = 3,999,694,654,282.56/3,103,140.80
  6. Step 6: Final answer
    x = 1,288,918.20

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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.