Home / 828,934.80-1,245,245.40-797,600.40

Finding the Fourth Proportional to 828,934.80, 1,245,245.40 and 797,600.40

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Solution

The fourth proportional to 828,934.80, 1,245,245.40 and 797,600.40 is: 1,198,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,934.80 : 1,245,245.40 = 797,600.40 : x
  2. Step 2: Convert to fraction form
    828,934.80/1,245,245.40 = 797,600.40/x
  3. Step 3: Cross multiply
    828,934.80x = 1,245,245.40 × 797,600.40
  4. Step 4: Simplify right side
    828,934.80x = 993,208,229,138.16
  5. Step 5: Solve for x
    x = 993,208,229,138.16/828,934.80
  6. Step 6: Final answer
    x = 1,198,174.13

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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.