Home / 1,022,728.56-1,534,314.38-391,642.44

Finding the Fourth Proportional to 1,022,728.56, 1,534,314.38 and 391,642.44

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Solution

The fourth proportional to 1,022,728.56, 1,534,314.38 and 391,642.44 is: 587,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,728.56 : 1,534,314.38 = 391,642.44 : x
  2. Step 2: Convert to fraction form
    1,022,728.56/1,534,314.38 = 391,642.44/x
  3. Step 3: Cross multiply
    1,022,728.56x = 1,534,314.38 × 391,642.44
  4. Step 4: Simplify right side
    1,022,728.56x = 600,902,625,552.08
  5. Step 5: Solve for x
    x = 600,902,625,552.08/1,022,728.56
  6. Step 6: Final answer
    x = 587,548.49

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Double scale
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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.