Home / 874,827.80-1,311,540.90-804,843.80

Finding the Fourth Proportional to 874,827.80, 1,311,540.90 and 804,843.80

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Solution

The fourth proportional to 874,827.80, 1,311,540.90 and 804,843.80 is: 1,206,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,827.80 : 1,311,540.90 = 804,843.80 : x
  2. Step 2: Convert to fraction form
    874,827.80/1,311,540.90 = 804,843.80/x
  3. Step 3: Cross multiply
    874,827.80x = 1,311,540.90 × 804,843.80
  4. Step 4: Simplify right side
    874,827.80x = 1,055,585,561,811.42
  5. Step 5: Solve for x
    x = 1,055,585,561,811.42/874,827.80
  6. Step 6: Final answer
    x = 1,206,620.96

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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.