Home / 828,207.20-1,242,310.80-733,728.80

Finding the Fourth Proportional to 828,207.20, 1,242,310.80 and 733,728.80

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Solution

The fourth proportional to 828,207.20, 1,242,310.80 and 733,728.80 is: 1,100,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,207.20 : 1,242,310.80 = 733,728.80 : x
  2. Step 2: Convert to fraction form
    828,207.20/1,242,310.80 = 733,728.80/x
  3. Step 3: Cross multiply
    828,207.20x = 1,242,310.80 × 733,728.80
  4. Step 4: Simplify right side
    828,207.20x = 911,519,212,511.04
  5. Step 5: Solve for x
    x = 911,519,212,511.04/828,207.20
  6. Step 6: Final answer
    x = 1,100,593.20

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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.