Home / 1,040,302.20-1,560,842.10-409,655.64

Finding the Fourth Proportional to 1,040,302.20, 1,560,842.10 and 409,655.64

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Solution

The fourth proportional to 1,040,302.20, 1,560,842.10 and 409,655.64 is: 614,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,302.20 : 1,560,842.10 = 409,655.64 : x
  2. Step 2: Convert to fraction form
    1,040,302.20/1,560,842.10 = 409,655.64/x
  3. Step 3: Cross multiply
    1,040,302.20x = 1,560,842.10 × 409,655.64
  4. Step 4: Simplify right side
    1,040,302.20x = 639,407,769,414.44
  5. Step 5: Solve for x
    x = 639,407,769,414.44/1,040,302.20
  6. Step 6: Final answer
    x = 614,636.56

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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.