Home / 917,542.20-1,372,425.30-823,452.60

Finding the Fourth Proportional to 917,542.20, 1,372,425.30 and 823,452.60

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Solution

The fourth proportional to 917,542.20, 1,372,425.30 and 823,452.60 is: 1,231,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,542.20 : 1,372,425.30 = 823,452.60 : x
  2. Step 2: Convert to fraction form
    917,542.20/1,372,425.30 = 823,452.60/x
  3. Step 3: Cross multiply
    917,542.20x = 1,372,425.30 × 823,452.60
  4. Step 4: Simplify right side
    917,542.20x = 1,130,127,181,590.78
  5. Step 5: Solve for x
    x = 1,130,127,181,590.78/917,542.20
  6. Step 6: Final answer
    x = 1,231,689.60

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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.