Home / 1,132,578.87-1,699,162.38-422,612.25

Finding the Fourth Proportional to 1,132,578.87, 1,699,162.38 and 422,612.25

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Solution

The fourth proportional to 1,132,578.87, 1,699,162.38 and 422,612.25 is: 634,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,578.87 : 1,699,162.38 = 422,612.25 : x
  2. Step 2: Convert to fraction form
    1,132,578.87/1,699,162.38 = 422,612.25/x
  3. Step 3: Cross multiply
    1,132,578.87x = 1,699,162.38 × 422,612.25
  4. Step 4: Simplify right side
    1,132,578.87x = 718,086,836,527.16
  5. Step 5: Solve for x
    x = 718,086,836,527.16/1,132,578.87
  6. Step 6: Final answer
    x = 634,028.11

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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.