Home / 1,388,581.76-2,082,889.92-441,948.80

Finding the Fourth Proportional to 1,388,581.76, 2,082,889.92 and 441,948.80

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Solution

The fourth proportional to 1,388,581.76, 2,082,889.92 and 441,948.80 is: 662,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,581.76 : 2,082,889.92 = 441,948.80 : x
  2. Step 2: Convert to fraction form
    1,388,581.76/2,082,889.92 = 441,948.80/x
  3. Step 3: Cross multiply
    1,388,581.76x = 2,082,889.92 × 441,948.80
  4. Step 4: Simplify right side
    1,388,581.76x = 920,530,700,676.10
  5. Step 5: Solve for x
    x = 920,530,700,676.10/1,388,581.76
  6. Step 6: Final answer
    x = 662,928.70

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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.