Home / 1,489,736.20-2,234,604.30-543,137.80

Finding the Fourth Proportional to 1,489,736.20, 2,234,604.30 and 543,137.80

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Solution

The fourth proportional to 1,489,736.20, 2,234,604.30 and 543,137.80 is: 814,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,736.20 : 2,234,604.30 = 543,137.80 : x
  2. Step 2: Convert to fraction form
    1,489,736.20/2,234,604.30 = 543,137.80/x
  3. Step 3: Cross multiply
    1,489,736.20x = 2,234,604.30 × 543,137.80
  4. Step 4: Simplify right side
    1,489,736.20x = 1,213,698,063,372.54
  5. Step 5: Solve for x
    x = 1,213,698,063,372.54/1,489,736.20
  6. Step 6: Final answer
    x = 814,706.70

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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.