Home / 1,499,241.12-2,069,001.68-820,177.64

Finding the Fourth Proportional to 1,499,241.12, 2,069,001.68 and 820,177.64

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Solution

The fourth proportional to 1,499,241.12, 2,069,001.68 and 820,177.64 is: 1,131,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,241.12 : 2,069,001.68 = 820,177.64 : x
  2. Step 2: Convert to fraction form
    1,499,241.12/2,069,001.68 = 820,177.64/x
  3. Step 3: Cross multiply
    1,499,241.12x = 2,069,001.68 × 820,177.64
  4. Step 4: Simplify right side
    1,499,241.12x = 1,696,948,915,058.44
  5. Step 5: Solve for x
    x = 1,696,948,915,058.44/1,499,241.12
  6. Step 6: Final answer
    x = 1,131,871.91

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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.