Home / 1,373,859.88-2,061,043.26-427,169.32

Finding the Fourth Proportional to 1,373,859.88, 2,061,043.26 and 427,169.32

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Solution

The fourth proportional to 1,373,859.88, 2,061,043.26 and 427,169.32 is: 640,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,859.88 : 2,061,043.26 = 427,169.32 : x
  2. Step 2: Convert to fraction form
    1,373,859.88/2,061,043.26 = 427,169.32/x
  3. Step 3: Cross multiply
    1,373,859.88x = 2,061,043.26 × 427,169.32
  4. Step 4: Simplify right side
    1,373,859.88x = 880,414,447,864.78
  5. Step 5: Solve for x
    x = 880,414,447,864.78/1,373,859.88
  6. Step 6: Final answer
    x = 640,832.78

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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.