Home / 1,085,346.54-1,628,338.14-486,174.42

Finding the Fourth Proportional to 1,085,346.54, 1,628,338.14 and 486,174.42

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Solution

The fourth proportional to 1,085,346.54, 1,628,338.14 and 486,174.42 is: 729,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,346.54 : 1,628,338.14 = 486,174.42 : x
  2. Step 2: Convert to fraction form
    1,085,346.54/1,628,338.14 = 486,174.42/x
  3. Step 3: Cross multiply
    1,085,346.54x = 1,628,338.14 × 486,174.42
  4. Step 4: Simplify right side
    1,085,346.54x = 791,656,350,778.38
  5. Step 5: Solve for x
    x = 791,656,350,778.38/1,085,346.54
  6. Step 6: Final answer
    x = 729,404.22

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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.