Home / 1,040,469.76-1,560,396.80-441,423.36

Finding the Fourth Proportional to 1,040,469.76, 1,560,396.80 and 441,423.36

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Solution

The fourth proportional to 1,040,469.76, 1,560,396.80 and 441,423.36 is: 662,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,469.76 : 1,560,396.80 = 441,423.36 : x
  2. Step 2: Convert to fraction form
    1,040,469.76/1,560,396.80 = 441,423.36/x
  3. Step 3: Cross multiply
    1,040,469.76x = 1,560,396.80 × 441,423.36
  4. Step 4: Simplify right side
    1,040,469.76x = 688,795,598,389.25
  5. Step 5: Solve for x
    x = 688,795,598,389.25/1,040,469.76
  6. Step 6: Final answer
    x = 662,004.44

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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.