Home / 889,964.65-1,338,735.27-806,728.57

Finding the Fourth Proportional to 889,964.65, 1,338,735.27 and 806,728.57

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Solution

The fourth proportional to 889,964.65, 1,338,735.27 and 806,728.57 is: 1,213,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,964.65 : 1,338,735.27 = 806,728.57 : x
  2. Step 2: Convert to fraction form
    889,964.65/1,338,735.27 = 806,728.57/x
  3. Step 3: Cross multiply
    889,964.65x = 1,338,735.27 × 806,728.57
  4. Step 4: Simplify right side
    889,964.65x = 1,079,995,989,975.66
  5. Step 5: Solve for x
    x = 1,079,995,989,975.66/889,964.65
  6. Step 6: Final answer
    x = 1,213,526.84

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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.