Home / 1,109,074.78-1,663,612.32-267,626.53

Finding the Fourth Proportional to 1,109,074.78, 1,663,612.32 and 267,626.53

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Solution

The fourth proportional to 1,109,074.78, 1,663,612.32 and 267,626.53 is: 401,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,074.78 : 1,663,612.32 = 267,626.53 : x
  2. Step 2: Convert to fraction form
    1,109,074.78/1,663,612.32 = 267,626.53/x
  3. Step 3: Cross multiply
    1,109,074.78x = 1,663,612.32 × 267,626.53
  4. Step 4: Simplify right side
    1,109,074.78x = 445,226,795,549.97
  5. Step 5: Solve for x
    x = 445,226,795,549.97/1,109,074.78
  6. Step 6: Final answer
    x = 401,439.83

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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.