Home / 1,022,723.25-1,534,306.32-391,637.09

Finding the Fourth Proportional to 1,022,723.25, 1,534,306.32 and 391,637.09

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Solution

The fourth proportional to 1,022,723.25, 1,534,306.32 and 391,637.09 is: 587,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,723.25 : 1,534,306.32 = 391,637.09 : x
  2. Step 2: Convert to fraction form
    1,022,723.25/1,534,306.32 = 391,637.09/x
  3. Step 3: Cross multiply
    1,022,723.25x = 1,534,306.32 × 391,637.09
  4. Step 4: Simplify right side
    1,022,723.25x = 600,891,254,661.88
  5. Step 5: Solve for x
    x = 600,891,254,661.88/1,022,723.25
  6. Step 6: Final answer
    x = 587,540.43

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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.