Home / 1,469,931.06-2,028,452.40-825,378.42

Finding the Fourth Proportional to 1,469,931.06, 2,028,452.40 and 825,378.42

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Solution

The fourth proportional to 1,469,931.06, 2,028,452.40 and 825,378.42 is: 1,138,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,931.06 : 2,028,452.40 = 825,378.42 : x
  2. Step 2: Convert to fraction form
    1,469,931.06/2,028,452.40 = 825,378.42/x
  3. Step 3: Cross multiply
    1,469,931.06x = 2,028,452.40 × 825,378.42
  4. Step 4: Simplify right side
    1,469,931.06x = 1,674,240,836,957.21
  5. Step 5: Solve for x
    x = 1,674,240,836,957.21/1,469,931.06
  6. Step 6: Final answer
    x = 1,138,992.76

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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.