Home / 2,278,912.80-3,416,230.80-859,922.40

Finding the Fourth Proportional to 2,278,912.80, 3,416,230.80 and 859,922.40

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Solution

The fourth proportional to 2,278,912.80, 3,416,230.80 and 859,922.40 is: 1,289,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,912.80 : 3,416,230.80 = 859,922.40 : x
  2. Step 2: Convert to fraction form
    2,278,912.80/3,416,230.80 = 859,922.40/x
  3. Step 3: Cross multiply
    2,278,912.80x = 3,416,230.80 × 859,922.40
  4. Step 4: Simplify right side
    2,278,912.80x = 2,937,693,388,489.92
  5. Step 5: Solve for x
    x = 2,937,693,388,489.92/2,278,912.80
  6. Step 6: Final answer
    x = 1,289,076.70

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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.