Home / 828,371.01-1,145,189.16-820,793.07

Finding the Fourth Proportional to 828,371.01, 1,145,189.16 and 820,793.07

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Solution

The fourth proportional to 828,371.01, 1,145,189.16 and 820,793.07 is: 1,134,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,371.01 : 1,145,189.16 = 820,793.07 : x
  2. Step 2: Convert to fraction form
    828,371.01/1,145,189.16 = 820,793.07/x
  3. Step 3: Cross multiply
    828,371.01x = 1,145,189.16 × 820,793.07
  4. Step 4: Simplify right side
    828,371.01x = 939,963,326,367.12
  5. Step 5: Solve for x
    x = 939,963,326,367.12/828,371.01
  6. Step 6: Final answer
    x = 1,134,712.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.