Home / 1,040,367.60-1,560,227.40-409,474.80

Finding the Fourth Proportional to 1,040,367.60, 1,560,227.40 and 409,474.80

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Solution

The fourth proportional to 1,040,367.60, 1,560,227.40 and 409,474.80 is: 614,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,367.60 : 1,560,227.40 = 409,474.80 : x
  2. Step 2: Convert to fraction form
    1,040,367.60/1,560,227.40 = 409,474.80/x
  3. Step 3: Cross multiply
    1,040,367.60x = 1,560,227.40 × 409,474.80
  4. Step 4: Simplify right side
    1,040,367.60x = 638,873,802,569.52
  5. Step 5: Solve for x
    x = 638,873,802,569.52/1,040,367.60
  6. Step 6: Final answer
    x = 614,084.68

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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.