Home / 1,479,976.47-2,042,373.57-800,912.97

Finding the Fourth Proportional to 1,479,976.47, 2,042,373.57 and 800,912.97

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Solution

The fourth proportional to 1,479,976.47, 2,042,373.57 and 800,912.97 is: 1,105,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,976.47 : 2,042,373.57 = 800,912.97 : x
  2. Step 2: Convert to fraction form
    1,479,976.47/2,042,373.57 = 800,912.97/x
  3. Step 3: Cross multiply
    1,479,976.47x = 2,042,373.57 × 800,912.97
  4. Step 4: Simplify right side
    1,479,976.47x = 1,635,763,481,798.20
  5. Step 5: Solve for x
    x = 1,635,763,481,798.20/1,479,976.47
  6. Step 6: Final answer
    x = 1,105,263.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.