Home / 1,597,138.61-2,204,039.72-871,986.30

Finding the Fourth Proportional to 1,597,138.61, 2,204,039.72 and 871,986.30

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Solution

The fourth proportional to 1,597,138.61, 2,204,039.72 and 871,986.30 is: 1,203,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597,138.61 : 2,204,039.72 = 871,986.30 : x
  2. Step 2: Convert to fraction form
    1,597,138.61/2,204,039.72 = 871,986.30/x
  3. Step 3: Cross multiply
    1,597,138.61x = 2,204,039.72 × 871,986.30
  4. Step 4: Simplify right side
    1,597,138.61x = 1,921,892,436,135.90
  5. Step 5: Solve for x
    x = 1,921,892,436,135.90/1,597,138.61
  6. Step 6: Final answer
    x = 1,203,334.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.