Home / 1,360,120.20-2,040,257.10-413,521.80

Finding the Fourth Proportional to 1,360,120.20, 2,040,257.10 and 413,521.80

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Solution

The fourth proportional to 1,360,120.20, 2,040,257.10 and 413,521.80 is: 620,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,120.20 : 2,040,257.10 = 413,521.80 : x
  2. Step 2: Convert to fraction form
    1,360,120.20/2,040,257.10 = 413,521.80/x
  3. Step 3: Cross multiply
    1,360,120.20x = 2,040,257.10 × 413,521.80
  4. Step 4: Simplify right side
    1,360,120.20x = 843,690,788,454.78
  5. Step 5: Solve for x
    x = 843,690,788,454.78/1,360,120.20
  6. Step 6: Final answer
    x = 620,306.05

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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.