Home / 1,469,678.32-2,028,273.24-825,140.80

Finding the Fourth Proportional to 1,469,678.32, 2,028,273.24 and 825,140.80

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Solution

The fourth proportional to 1,469,678.32, 2,028,273.24 and 825,140.80 is: 1,138,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,678.32 : 2,028,273.24 = 825,140.80 : x
  2. Step 2: Convert to fraction form
    1,469,678.32/2,028,273.24 = 825,140.80/x
  3. Step 3: Cross multiply
    1,469,678.32x = 2,028,273.24 × 825,140.80
  4. Step 4: Simplify right side
    1,469,678.32x = 1,673,611,003,872.19
  5. Step 5: Solve for x
    x = 1,673,611,003,872.19/1,469,678.32
  6. Step 6: Final answer
    x = 1,138,760.08

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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.