Home / 1,008,049.90-1,512,074.85-260,095.90

Finding the Fourth Proportional to 1,008,049.90, 1,512,074.85 and 260,095.90

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Solution

The fourth proportional to 1,008,049.90, 1,512,074.85 and 260,095.90 is: 390,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,049.90 : 1,512,074.85 = 260,095.90 : x
  2. Step 2: Convert to fraction form
    1,008,049.90/1,512,074.85 = 260,095.90/x
  3. Step 3: Cross multiply
    1,008,049.90x = 1,512,074.85 × 260,095.90
  4. Step 4: Simplify right side
    1,008,049.90x = 393,284,468,978.12
  5. Step 5: Solve for x
    x = 393,284,468,978.12/1,008,049.90
  6. Step 6: Final answer
    x = 390,143.85

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Double scale
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Similar ratio
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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.