Home / 1,107,720.72-1,661,580.90-266,272.44

Finding the Fourth Proportional to 1,107,720.72, 1,661,580.90 and 266,272.44

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Solution

The fourth proportional to 1,107,720.72, 1,661,580.90 and 266,272.44 is: 399,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,720.72 : 1,661,580.90 = 266,272.44 : x
  2. Step 2: Convert to fraction form
    1,107,720.72/1,661,580.90 = 266,272.44/x
  3. Step 3: Cross multiply
    1,107,720.72x = 1,661,580.90 × 266,272.44
  4. Step 4: Simplify right side
    1,107,720.72x = 442,433,200,500.40
  5. Step 5: Solve for x
    x = 442,433,200,500.40/1,107,720.72
  6. Step 6: Final answer
    x = 399,408.62

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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.