Home / 1,008,115.80-1,512,000.90-376,704.60

Finding the Fourth Proportional to 1,008,115.80, 1,512,000.90 and 376,704.60

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Solution

The fourth proportional to 1,008,115.80, 1,512,000.90 and 376,704.60 is: 564,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,115.80 : 1,512,000.90 = 376,704.60 : x
  2. Step 2: Convert to fraction form
    1,008,115.80/1,512,000.90 = 376,704.60/x
  3. Step 3: Cross multiply
    1,008,115.80x = 1,512,000.90 × 376,704.60
  4. Step 4: Simplify right side
    1,008,115.80x = 569,577,694,234.14
  5. Step 5: Solve for x
    x = 569,577,694,234.14/1,008,115.80
  6. Step 6: Final answer
    x = 564,992.33

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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.