Home / 1,040,180.40-1,560,136.68-330,216.48

Finding the Fourth Proportional to 1,040,180.40, 1,560,136.68 and 330,216.48

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Solution

The fourth proportional to 1,040,180.40, 1,560,136.68 and 330,216.48 is: 495,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,180.40 : 1,560,136.68 = 330,216.48 : x
  2. Step 2: Convert to fraction form
    1,040,180.40/1,560,136.68 = 330,216.48/x
  3. Step 3: Cross multiply
    1,040,180.40x = 1,560,136.68 × 330,216.48
  4. Step 4: Simplify right side
    1,040,180.40x = 515,182,842,788.49
  5. Step 5: Solve for x
    x = 515,182,842,788.49/1,040,180.40
  6. Step 6: Final answer
    x = 495,282.21

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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.