Home / 1,469,990.35-2,028,517.70-816,658.54

Finding the Fourth Proportional to 1,469,990.35, 2,028,517.70 and 816,658.54

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Solution

The fourth proportional to 1,469,990.35, 2,028,517.70 and 816,658.54 is: 1,126,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,990.35 : 2,028,517.70 = 816,658.54 : x
  2. Step 2: Convert to fraction form
    1,469,990.35/2,028,517.70 = 816,658.54/x
  3. Step 3: Cross multiply
    1,469,990.35x = 2,028,517.70 × 816,658.54
  4. Step 4: Simplify right side
    1,469,990.35x = 1,656,606,294,091.57
  5. Step 5: Solve for x
    x = 1,656,606,294,091.57/1,469,990.35
  6. Step 6: Final answer
    x = 1,126,950.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.