Home / 829,504.80-1,244,257.20-815,680.80

Finding the Fourth Proportional to 829,504.80, 1,244,257.20 and 815,680.80

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Solution

The fourth proportional to 829,504.80, 1,244,257.20 and 815,680.80 is: 1,223,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,504.80 : 1,244,257.20 = 815,680.80 : x
  2. Step 2: Convert to fraction form
    829,504.80/1,244,257.20 = 815,680.80/x
  3. Step 3: Cross multiply
    829,504.80x = 1,244,257.20 × 815,680.80
  4. Step 4: Simplify right side
    829,504.80x = 1,014,916,708,301.76
  5. Step 5: Solve for x
    x = 1,014,916,708,301.76/829,504.80
  6. Step 6: Final answer
    x = 1,223,521.20

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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.