Home / 1,107,112.80-1,660,960.80-397,066.80

Finding the Fourth Proportional to 1,107,112.80, 1,660,960.80 and 397,066.80

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Solution

The fourth proportional to 1,107,112.80, 1,660,960.80 and 397,066.80 is: 595,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,112.80 : 1,660,960.80 = 397,066.80 : x
  2. Step 2: Convert to fraction form
    1,107,112.80/1,660,960.80 = 397,066.80/x
  3. Step 3: Cross multiply
    1,107,112.80x = 1,660,960.80 × 397,066.80
  4. Step 4: Simplify right side
    1,107,112.80x = 659,512,389,781.44
  5. Step 5: Solve for x
    x = 659,512,389,781.44/1,107,112.80
  6. Step 6: Final answer
    x = 595,704.78

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1.5x scale

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.