Home / 1,384,620.74-2,072,908.79-806,481.22

Finding the Fourth Proportional to 1,384,620.74, 2,072,908.79 and 806,481.22

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Solution

The fourth proportional to 1,384,620.74, 2,072,908.79 and 806,481.22 is: 1,207,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,620.74 : 2,072,908.79 = 806,481.22 : x
  2. Step 2: Convert to fraction form
    1,384,620.74/2,072,908.79 = 806,481.22/x
  3. Step 3: Cross multiply
    1,384,620.74x = 2,072,908.79 × 806,481.22
  4. Step 4: Simplify right side
    1,384,620.74x = 1,671,761,995,510.97
  5. Step 5: Solve for x
    x = 1,671,761,995,510.97/1,384,620.74
  6. Step 6: Final answer
    x = 1,207,378.99

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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.