Home / 1,330,309.20-1,992,839.40-796,243.80

Finding the Fourth Proportional to 1,330,309.20, 1,992,839.40 and 796,243.80

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Solution

The fourth proportional to 1,330,309.20, 1,992,839.40 and 796,243.80 is: 1,192,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,309.20 : 1,992,839.40 = 796,243.80 : x
  2. Step 2: Convert to fraction form
    1,330,309.20/1,992,839.40 = 796,243.80/x
  3. Step 3: Cross multiply
    1,330,309.20x = 1,992,839.40 × 796,243.80
  4. Step 4: Simplify right side
    1,330,309.20x = 1,586,786,016,645.72
  5. Step 5: Solve for x
    x = 1,586,786,016,645.72/1,330,309.20
  6. Step 6: Final answer
    x = 1,192,794.89

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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.