Home / 1,040,648.20-1,560,972.30-292,694.20

Finding the Fourth Proportional to 1,040,648.20, 1,560,972.30 and 292,694.20

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Solution

The fourth proportional to 1,040,648.20, 1,560,972.30 and 292,694.20 is: 439,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,648.20 : 1,560,972.30 = 292,694.20 : x
  2. Step 2: Convert to fraction form
    1,040,648.20/1,560,972.30 = 292,694.20/x
  3. Step 3: Cross multiply
    1,040,648.20x = 1,560,972.30 × 292,694.20
  4. Step 4: Simplify right side
    1,040,648.20x = 456,887,538,570.66
  5. Step 5: Solve for x
    x = 456,887,538,570.66/1,040,648.20
  6. Step 6: Final answer
    x = 439,041.30

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Double scale
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Similar ratio
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1.5x scale

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.