Home / 1,108,144.89-1,662,217.70-266,696.64

Finding the Fourth Proportional to 1,108,144.89, 1,662,217.70 and 266,696.64

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Solution

The fourth proportional to 1,108,144.89, 1,662,217.70 and 266,696.64 is: 400,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,144.89 : 1,662,217.70 = 266,696.64 : x
  2. Step 2: Convert to fraction form
    1,108,144.89/1,662,217.70 = 266,696.64/x
  3. Step 3: Cross multiply
    1,108,144.89x = 1,662,217.70 × 266,696.64
  4. Step 4: Simplify right side
    1,108,144.89x = 443,307,874,205.05
  5. Step 5: Solve for x
    x = 443,307,874,205.05/1,108,144.89
  6. Step 6: Final answer
    x = 400,045.05

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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.