Home / 1,489,976.80-2,234,965.20-492,704.80

Finding the Fourth Proportional to 1,489,976.80, 2,234,965.20 and 492,704.80

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Solution

The fourth proportional to 1,489,976.80, 2,234,965.20 and 492,704.80 is: 739,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,976.80 : 2,234,965.20 = 492,704.80 : x
  2. Step 2: Convert to fraction form
    1,489,976.80/2,234,965.20 = 492,704.80/x
  3. Step 3: Cross multiply
    1,489,976.80x = 2,234,965.20 × 492,704.80
  4. Step 4: Simplify right side
    1,489,976.80x = 1,101,178,081,872.96
  5. Step 5: Solve for x
    x = 1,101,178,081,872.96/1,489,976.80
  6. Step 6: Final answer
    x = 739,057.20

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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.