Home / 1,394,196.40-2,091,294.60-447,662.80

Finding the Fourth Proportional to 1,394,196.40, 2,091,294.60 and 447,662.80

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Solution

The fourth proportional to 1,394,196.40, 2,091,294.60 and 447,662.80 is: 671,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,196.40 : 2,091,294.60 = 447,662.80 : x
  2. Step 2: Convert to fraction form
    1,394,196.40/2,091,294.60 = 447,662.80/x
  3. Step 3: Cross multiply
    1,394,196.40x = 2,091,294.60 × 447,662.80
  4. Step 4: Simplify right side
    1,394,196.40x = 936,194,796,260.88
  5. Step 5: Solve for x
    x = 936,194,796,260.88/1,394,196.40
  6. Step 6: Final answer
    x = 671,494.20

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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.