Home / 1,646,458.80-2,469,688.20-806,650.80

Finding the Fourth Proportional to 1,646,458.80, 2,469,688.20 and 806,650.80

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Solution

The fourth proportional to 1,646,458.80, 2,469,688.20 and 806,650.80 is: 1,209,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,458.80 : 2,469,688.20 = 806,650.80 : x
  2. Step 2: Convert to fraction form
    1,646,458.80/2,469,688.20 = 806,650.80/x
  3. Step 3: Cross multiply
    1,646,458.80x = 2,469,688.20 × 806,650.80
  4. Step 4: Simplify right side
    1,646,458.80x = 1,992,175,962,280.56
  5. Step 5: Solve for x
    x = 1,992,175,962,280.56/1,646,458.80
  6. Step 6: Final answer
    x = 1,209,976.20

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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.