Home / 1,647,786.90-2,468,915.55-804,522.90

Finding the Fourth Proportional to 1,647,786.90, 2,468,915.55 and 804,522.90

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Solution

The fourth proportional to 1,647,786.90, 2,468,915.55 and 804,522.90 is: 1,205,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,786.90 : 2,468,915.55 = 804,522.90 : x
  2. Step 2: Convert to fraction form
    1,647,786.90/2,468,915.55 = 804,522.90/x
  3. Step 3: Cross multiply
    1,647,786.90x = 2,468,915.55 × 804,522.90
  4. Step 4: Simplify right side
    1,647,786.90x = 1,986,299,098,141.10
  5. Step 5: Solve for x
    x = 1,986,299,098,141.10/1,647,786.90
  6. Step 6: Final answer
    x = 1,205,434.45

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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.