Home / 1,378,288.82-2,067,531.71-367,405.58

Finding the Fourth Proportional to 1,378,288.82, 2,067,531.71 and 367,405.58

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Solution

The fourth proportional to 1,378,288.82, 2,067,531.71 and 367,405.58 is: 551,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,288.82 : 2,067,531.71 = 367,405.58 : x
  2. Step 2: Convert to fraction form
    1,378,288.82/2,067,531.71 = 367,405.58/x
  3. Step 3: Cross multiply
    1,378,288.82x = 2,067,531.71 × 367,405.58
  4. Step 4: Simplify right side
    1,378,288.82x = 759,622,674,906.26
  5. Step 5: Solve for x
    x = 759,622,674,906.26/1,378,288.82
  6. Step 6: Final answer
    x = 551,134.61

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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.