Home / 1,008,176.10-1,512,701.55-509,540.10

Finding the Fourth Proportional to 1,008,176.10, 1,512,701.55 and 509,540.10

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Solution

The fourth proportional to 1,008,176.10, 1,512,701.55 and 509,540.10 is: 764,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,176.10 : 1,512,701.55 = 509,540.10 : x
  2. Step 2: Convert to fraction form
    1,008,176.10/1,512,701.55 = 509,540.10/x
  3. Step 3: Cross multiply
    1,008,176.10x = 1,512,701.55 × 509,540.10
  4. Step 4: Simplify right side
    1,008,176.10x = 770,782,099,057.16
  5. Step 5: Solve for x
    x = 770,782,099,057.16/1,008,176.10
  6. Step 6: Final answer
    x = 764,531.22

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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.