Home / 1,324,614.40-1,986,998.40-378,054.40

Finding the Fourth Proportional to 1,324,614.40, 1,986,998.40 and 378,054.40

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Solution

The fourth proportional to 1,324,614.40, 1,986,998.40 and 378,054.40 is: 567,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,614.40 : 1,986,998.40 = 378,054.40 : x
  2. Step 2: Convert to fraction form
    1,324,614.40/1,986,998.40 = 378,054.40/x
  3. Step 3: Cross multiply
    1,324,614.40x = 1,986,998.40 × 378,054.40
  4. Step 4: Simplify right side
    1,324,614.40x = 751,193,487,912.96
  5. Step 5: Solve for x
    x = 751,193,487,912.96/1,324,614.40
  6. Step 6: Final answer
    x = 567,103.52

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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.