Home / 1,079,585.11-1,619,379.59-280,865.37

Finding the Fourth Proportional to 1,079,585.11, 1,619,379.59 and 280,865.37

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Solution

The fourth proportional to 1,079,585.11, 1,619,379.59 and 280,865.37 is: 421,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,585.11 : 1,619,379.59 = 280,865.37 : x
  2. Step 2: Convert to fraction form
    1,079,585.11/1,619,379.59 = 280,865.37/x
  3. Step 3: Cross multiply
    1,079,585.11x = 1,619,379.59 × 280,865.37
  4. Step 4: Simplify right side
    1,079,585.11x = 454,827,647,715.80
  5. Step 5: Solve for x
    x = 454,827,647,715.80/1,079,585.11
  6. Step 6: Final answer
    x = 421,298.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.