Home / 1,040,178.80-1,560,268.20-830,226.80

Finding the Fourth Proportional to 1,040,178.80, 1,560,268.20 and 830,226.80

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Solution

The fourth proportional to 1,040,178.80, 1,560,268.20 and 830,226.80 is: 1,245,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,178.80 : 1,560,268.20 = 830,226.80 : x
  2. Step 2: Convert to fraction form
    1,040,178.80/1,560,268.20 = 830,226.80/x
  3. Step 3: Cross multiply
    1,040,178.80x = 1,560,268.20 × 830,226.80
  4. Step 4: Simplify right side
    1,040,178.80x = 1,295,376,474,827.76
  5. Step 5: Solve for x
    x = 1,295,376,474,827.76/1,040,178.80
  6. Step 6: Final answer
    x = 1,245,340.20

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Double scale
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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.