Home / 1,988,049.75-2,982,074.64-492,141.75

Finding the Fourth Proportional to 1,988,049.75, 2,982,074.64 and 492,141.75

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Solution

The fourth proportional to 1,988,049.75, 2,982,074.64 and 492,141.75 is: 738,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,049.75 : 2,982,074.64 = 492,141.75 : x
  2. Step 2: Convert to fraction form
    1,988,049.75/2,982,074.64 = 492,141.75/x
  3. Step 3: Cross multiply
    1,988,049.75x = 2,982,074.64 × 492,141.75
  4. Step 4: Simplify right side
    1,988,049.75x = 1,467,603,431,960.22
  5. Step 5: Solve for x
    x = 1,467,603,431,960.22/1,988,049.75
  6. Step 6: Final answer
    x = 738,212.63

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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.