Home / 1,498,729.72-2,247,194.22-688,099.71

Finding the Fourth Proportional to 1,498,729.72, 2,247,194.22 and 688,099.71

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Solution

The fourth proportional to 1,498,729.72, 2,247,194.22 and 688,099.71 is: 1,031,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,729.72 : 2,247,194.22 = 688,099.71 : x
  2. Step 2: Convert to fraction form
    1,498,729.72/2,247,194.22 = 688,099.71/x
  3. Step 3: Cross multiply
    1,498,729.72x = 2,247,194.22 × 688,099.71
  4. Step 4: Simplify right side
    1,498,729.72x = 1,546,293,691,095.68
  5. Step 5: Solve for x
    x = 1,546,293,691,095.68/1,498,729.72
  6. Step 6: Final answer
    x = 1,031,736.19

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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.