Home / 1,469,945.70-2,028,400.65-825,315.30

Finding the Fourth Proportional to 1,469,945.70, 2,028,400.65 and 825,315.30

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Solution

The fourth proportional to 1,469,945.70, 2,028,400.65 and 825,315.30 is: 1,138,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,945.70 : 2,028,400.65 = 825,315.30 : x
  2. Step 2: Convert to fraction form
    1,469,945.70/2,028,400.65 = 825,315.30/x
  3. Step 3: Cross multiply
    1,469,945.70x = 2,028,400.65 × 825,315.30
  4. Step 4: Simplify right side
    1,469,945.70x = 1,674,070,090,974.95
  5. Step 5: Solve for x
    x = 1,674,070,090,974.95/1,469,945.70
  6. Step 6: Final answer
    x = 1,138,865.26

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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.