Home / 1,116,768.82-1,540,069.05-750,074.53

Finding the Fourth Proportional to 1,116,768.82, 1,540,069.05 and 750,074.53

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Solution

The fourth proportional to 1,116,768.82, 1,540,069.05 and 750,074.53 is: 1,034,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,768.82 : 1,540,069.05 = 750,074.53 : x
  2. Step 2: Convert to fraction form
    1,116,768.82/1,540,069.05 = 750,074.53/x
  3. Step 3: Cross multiply
    1,116,768.82x = 1,540,069.05 × 750,074.53
  4. Step 4: Simplify right side
    1,116,768.82x = 1,155,166,568,846.30
  5. Step 5: Solve for x
    x = 1,155,166,568,846.30/1,116,768.82
  6. Step 6: Final answer
    x = 1,034,382.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.