Home / 1,603,512.44-2,212,008.22-991,469.56

Finding the Fourth Proportional to 1,603,512.44, 2,212,008.22 and 991,469.56

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Solution

The fourth proportional to 1,603,512.44, 2,212,008.22 and 991,469.56 is: 1,367,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,512.44 : 2,212,008.22 = 991,469.56 : x
  2. Step 2: Convert to fraction form
    1,603,512.44/2,212,008.22 = 991,469.56/x
  3. Step 3: Cross multiply
    1,603,512.44x = 2,212,008.22 × 991,469.56
  4. Step 4: Simplify right side
    1,603,512.44x = 2,193,138,808,591.09
  5. Step 5: Solve for x
    x = 2,193,138,808,591.09/1,603,512.44
  6. Step 6: Final answer
    x = 1,367,709.26

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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.