Home / 1,868,383.05-2,802,144.45-731,172.21

Finding the Fourth Proportional to 1,868,383.05, 2,802,144.45 and 731,172.21

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Solution

The fourth proportional to 1,868,383.05, 2,802,144.45 and 731,172.21 is: 1,096,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,383.05 : 2,802,144.45 = 731,172.21 : x
  2. Step 2: Convert to fraction form
    1,868,383.05/2,802,144.45 = 731,172.21/x
  3. Step 3: Cross multiply
    1,868,383.05x = 2,802,144.45 × 731,172.21
  4. Step 4: Simplify right side
    1,868,383.05x = 2,048,850,150,245.73
  5. Step 5: Solve for x
    x = 2,048,850,150,245.73/1,868,383.05
  6. Step 6: Final answer
    x = 1,096,589.99

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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.