Home / 1,815,310.56-2,722,965.84-485,580

Finding the Fourth Proportional to 1,815,310.56, 2,722,965.84 and 485,580

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Solution

The fourth proportional to 1,815,310.56, 2,722,965.84 and 485,580 is: 728,370

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,310.56 : 2,722,965.84 = 485,580 : x
  2. Step 2: Convert to fraction form
    1,815,310.56/2,722,965.84 = 485,580/x
  3. Step 3: Cross multiply
    1,815,310.56x = 2,722,965.84 × 485,580
  4. Step 4: Simplify right side
    1,815,310.56x = 1,322,217,752,587.20
  5. Step 5: Solve for x
    x = 1,322,217,752,587.20/1,815,310.56
  6. Step 6: Final answer
    x = 728,370

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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.