Home / 889,960.65-1,338,729.27-806,724.57

Finding the Fourth Proportional to 889,960.65, 1,338,729.27 and 806,724.57

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Solution

The fourth proportional to 889,960.65, 1,338,729.27 and 806,724.57 is: 1,213,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,960.65 : 1,338,729.27 = 806,724.57 : x
  2. Step 2: Convert to fraction form
    889,960.65/1,338,729.27 = 806,724.57/x
  3. Step 3: Cross multiply
    889,960.65x = 1,338,729.27 × 806,724.57
  4. Step 4: Simplify right side
    889,960.65x = 1,079,985,794,687.16
  5. Step 5: Solve for x
    x = 1,079,985,794,687.16/889,960.65
  6. Step 6: Final answer
    x = 1,213,520.84

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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.