Home / 1,108,163.43-1,662,245.51-266,715.18

Finding the Fourth Proportional to 1,108,163.43, 1,662,245.51 and 266,715.18

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Solution

The fourth proportional to 1,108,163.43, 1,662,245.51 and 266,715.18 is: 400,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,163.43 : 1,662,245.51 = 266,715.18 : x
  2. Step 2: Convert to fraction form
    1,108,163.43/1,662,245.51 = 266,715.18/x
  3. Step 3: Cross multiply
    1,108,163.43x = 1,662,245.51 × 266,715.18
  4. Step 4: Simplify right side
    1,108,163.43x = 443,346,110,403.84
  5. Step 5: Solve for x
    x = 443,346,110,403.84/1,108,163.43
  6. Step 6: Final answer
    x = 400,072.86

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Double scale
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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.