Home / 1,388,348.76-2,082,540.42-441,715.80

Finding the Fourth Proportional to 1,388,348.76, 2,082,540.42 and 441,715.80

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Solution

The fourth proportional to 1,388,348.76, 2,082,540.42 and 441,715.80 is: 662,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,348.76 : 2,082,540.42 = 441,715.80 : x
  2. Step 2: Convert to fraction form
    1,388,348.76/2,082,540.42 = 441,715.80/x
  3. Step 3: Cross multiply
    1,388,348.76x = 2,082,540.42 × 441,715.80
  4. Step 4: Simplify right side
    1,388,348.76x = 919,891,007,652.64
  5. Step 5: Solve for x
    x = 919,891,007,652.64/1,388,348.76
  6. Step 6: Final answer
    x = 662,579.20

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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.