Home / 1,469,678.08-2,028,272.90-825,140.56

Finding the Fourth Proportional to 1,469,678.08, 2,028,272.90 and 825,140.56

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Solution

The fourth proportional to 1,469,678.08, 2,028,272.90 and 825,140.56 is: 1,138,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,678.08 : 2,028,272.90 = 825,140.56 : x
  2. Step 2: Convert to fraction form
    1,469,678.08/2,028,272.90 = 825,140.56/x
  3. Step 3: Cross multiply
    1,469,678.08x = 2,028,272.90 × 825,140.56
  4. Step 4: Simplify right side
    1,469,678.08x = 1,673,610,236,538.82
  5. Step 5: Solve for x
    x = 1,673,610,236,538.82/1,469,678.08
  6. Step 6: Final answer
    x = 1,138,759.75

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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.