Home / 1,489,937.20-2,234,905.80-543,338.80

Finding the Fourth Proportional to 1,489,937.20, 2,234,905.80 and 543,338.80

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Solution

The fourth proportional to 1,489,937.20, 2,234,905.80 and 543,338.80 is: 815,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,937.20 : 2,234,905.80 = 543,338.80 : x
  2. Step 2: Convert to fraction form
    1,489,937.20/2,234,905.80 = 543,338.80/x
  3. Step 3: Cross multiply
    1,489,937.20x = 2,234,905.80 × 543,338.80
  4. Step 4: Simplify right side
    1,489,937.20x = 1,214,311,035,485.04
  5. Step 5: Solve for x
    x = 1,214,311,035,485.04/1,489,937.20
  6. Step 6: Final answer
    x = 815,008.20

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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.