Home / 1,162,638.43-1,743,990.45-321,190.18

Finding the Fourth Proportional to 1,162,638.43, 1,743,990.45 and 321,190.18

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Solution

The fourth proportional to 1,162,638.43, 1,743,990.45 and 321,190.18 is: 481,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,638.43 : 1,743,990.45 = 321,190.18 : x
  2. Step 2: Convert to fraction form
    1,162,638.43/1,743,990.45 = 321,190.18/x
  3. Step 3: Cross multiply
    1,162,638.43x = 1,743,990.45 × 321,190.18
  4. Step 4: Simplify right side
    1,162,638.43x = 560,152,606,553.78
  5. Step 5: Solve for x
    x = 560,152,606,553.78/1,162,638.43
  6. Step 6: Final answer
    x = 481,794.33

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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.