Home / 1,040,172.60-1,560,345.30-330,180.60

Finding the Fourth Proportional to 1,040,172.60, 1,560,345.30 and 330,180.60

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Solution

The fourth proportional to 1,040,172.60, 1,560,345.30 and 330,180.60 is: 495,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,172.60 : 1,560,345.30 = 330,180.60 : x
  2. Step 2: Convert to fraction form
    1,040,172.60/1,560,345.30 = 330,180.60/x
  3. Step 3: Cross multiply
    1,040,172.60x = 1,560,345.30 × 330,180.60
  4. Step 4: Simplify right side
    1,040,172.60x = 515,195,747,361.18
  5. Step 5: Solve for x
    x = 515,195,747,361.18/1,040,172.60
  6. Step 6: Final answer
    x = 495,298.33

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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.