Home / 1,396,481.78-2,091,816.36-888,526.58

Finding the Fourth Proportional to 1,396,481.78, 2,091,816.36 and 888,526.58

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Solution

The fourth proportional to 1,396,481.78, 2,091,816.36 and 888,526.58 is: 1,330,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,481.78 : 2,091,816.36 = 888,526.58 : x
  2. Step 2: Convert to fraction form
    1,396,481.78/2,091,816.36 = 888,526.58/x
  3. Step 3: Cross multiply
    1,396,481.78x = 2,091,816.36 × 888,526.58
  4. Step 4: Simplify right side
    1,396,481.78x = 1,858,634,436,338.85
  5. Step 5: Solve for x
    x = 1,858,634,436,338.85/1,396,481.78
  6. Step 6: Final answer
    x = 1,330,940.70

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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.