Home / 1,422,611.38-2,133,914.64-664,198.66

Finding the Fourth Proportional to 1,422,611.38, 2,133,914.64 and 664,198.66

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Solution

The fourth proportional to 1,422,611.38, 2,133,914.64 and 664,198.66 is: 996,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,611.38 : 2,133,914.64 = 664,198.66 : x
  2. Step 2: Convert to fraction form
    1,422,611.38/2,133,914.64 = 664,198.66/x
  3. Step 3: Cross multiply
    1,422,611.38x = 2,133,914.64 × 664,198.66
  4. Step 4: Simplify right side
    1,422,611.38x = 1,417,343,244,442.38
  5. Step 5: Solve for x
    x = 1,417,343,244,442.38/1,422,611.38
  6. Step 6: Final answer
    x = 996,296.86

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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.