Home / 1,040,835.60-1,561,296.60-330,843.60

Finding the Fourth Proportional to 1,040,835.60, 1,561,296.60 and 330,843.60

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Solution

The fourth proportional to 1,040,835.60, 1,561,296.60 and 330,843.60 is: 496,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,835.60 : 1,561,296.60 = 330,843.60 : x
  2. Step 2: Convert to fraction form
    1,040,835.60/1,561,296.60 = 330,843.60/x
  3. Step 3: Cross multiply
    1,040,835.60x = 1,561,296.60 × 330,843.60
  4. Step 4: Simplify right side
    1,040,835.60x = 516,544,987,811.76
  5. Step 5: Solve for x
    x = 516,544,987,811.76/1,040,835.60
  6. Step 6: Final answer
    x = 496,279.13

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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.