Home / 1,271,416.97-1,906,915.83-418,499.73

Finding the Fourth Proportional to 1,271,416.97, 1,906,915.83 and 418,499.73

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Solution

The fourth proportional to 1,271,416.97, 1,906,915.83 and 418,499.73 is: 627,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,416.97 : 1,906,915.83 = 418,499.73 : x
  2. Step 2: Convert to fraction form
    1,271,416.97/1,906,915.83 = 418,499.73/x
  3. Step 3: Cross multiply
    1,271,416.97x = 1,906,915.83 × 418,499.73
  4. Step 4: Simplify right side
    1,271,416.97x = 798,043,759,987.73
  5. Step 5: Solve for x
    x = 798,043,759,987.73/1,271,416.97
  6. Step 6: Final answer
    x = 627,680.59

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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.