Home / 1,192,786.44-1,646,049.22-648,922.12

Finding the Fourth Proportional to 1,192,786.44, 1,646,049.22 and 648,922.12

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Solution

The fourth proportional to 1,192,786.44, 1,646,049.22 and 648,922.12 is: 895,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,786.44 : 1,646,049.22 = 648,922.12 : x
  2. Step 2: Convert to fraction form
    1,192,786.44/1,646,049.22 = 648,922.12/x
  3. Step 3: Cross multiply
    1,192,786.44x = 1,646,049.22 × 648,922.12
  4. Step 4: Simplify right side
    1,192,786.44x = 1,068,157,749,466.75
  5. Step 5: Solve for x
    x = 1,068,157,749,466.75/1,192,786.44
  6. Step 6: Final answer
    x = 895,514.67

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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.