Home / 1,489,708.20-2,234,562.30-543,109.80

Finding the Fourth Proportional to 1,489,708.20, 2,234,562.30 and 543,109.80

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Solution

The fourth proportional to 1,489,708.20, 2,234,562.30 and 543,109.80 is: 814,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,708.20 : 2,234,562.30 = 543,109.80 : x
  2. Step 2: Convert to fraction form
    1,489,708.20/2,234,562.30 = 543,109.80/x
  3. Step 3: Cross multiply
    1,489,708.20x = 2,234,562.30 × 543,109.80
  4. Step 4: Simplify right side
    1,489,708.20x = 1,213,612,683,840.54
  5. Step 5: Solve for x
    x = 1,213,612,683,840.54/1,489,708.20
  6. Step 6: Final answer
    x = 814,664.70

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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.