Home / 1,200,638.38-1,800,824.38-302,080.27

Finding the Fourth Proportional to 1,200,638.38, 1,800,824.38 and 302,080.27

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Solution

The fourth proportional to 1,200,638.38, 1,800,824.38 and 302,080.27 is: 453,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,638.38 : 1,800,824.38 = 302,080.27 : x
  2. Step 2: Convert to fraction form
    1,200,638.38/1,800,824.38 = 302,080.27/x
  3. Step 3: Cross multiply
    1,200,638.38x = 1,800,824.38 × 302,080.27
  4. Step 4: Simplify right side
    1,200,638.38x = 543,993,514,932.98
  5. Step 5: Solve for x
    x = 543,993,514,932.98/1,200,638.38
  6. Step 6: Final answer
    x = 453,086.89

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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.