Home / 1,022,721.75-1,534,304.07-391,635.59

Finding the Fourth Proportional to 1,022,721.75, 1,534,304.07 and 391,635.59

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Solution

The fourth proportional to 1,022,721.75, 1,534,304.07 and 391,635.59 is: 587,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,721.75 : 1,534,304.07 = 391,635.59 : x
  2. Step 2: Convert to fraction form
    1,022,721.75/1,534,304.07 = 391,635.59/x
  3. Step 3: Cross multiply
    1,022,721.75x = 1,534,304.07 × 391,635.59
  4. Step 4: Simplify right side
    1,022,721.75x = 600,888,072,022.33
  5. Step 5: Solve for x
    x = 600,888,072,022.33/1,022,721.75
  6. Step 6: Final answer
    x = 587,538.18

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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.