Home / 1,245,291.97-1,868,087.59-1,177,190.73

Finding the Fourth Proportional to 1,245,291.97, 1,868,087.59 and 1,177,190.73

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Solution

The fourth proportional to 1,245,291.97, 1,868,087.59 and 1,177,190.73 is: 1,765,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,291.97 : 1,868,087.59 = 1,177,190.73 : x
  2. Step 2: Convert to fraction form
    1,245,291.97/1,868,087.59 = 1,177,190.73/x
  3. Step 3: Cross multiply
    1,245,291.97x = 1,868,087.59 × 1,177,190.73
  4. Step 4: Simplify right side
    1,245,291.97x = 2,199,095,384,435.60
  5. Step 5: Solve for x
    x = 2,199,095,384,435.60/1,245,291.97
  6. Step 6: Final answer
    x = 1,765,927.54

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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.