Finding the Fourth Proportional to 1,396,693.76, 2,093,415.68 and 798,074.56
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Solution
The fourth proportional to 1,396,693.76, 2,093,415.68 and 798,074.56 is: 1,196,183.33
Step by Step Solution
- Step 1: Write the proportion equation
1,396,693.76 : 2,093,415.68 = 798,074.56 : x - Step 2: Convert to fraction form
1,396,693.76/2,093,415.68 = 798,074.56/x - Step 3: Cross multiply
1,396,693.76x = 2,093,415.68 × 798,074.56 - Step 4: Simplify right side
1,396,693.76x = 1,670,701,797,713.10 - Step 5: Solve for x
x = 1,670,701,797,713.10/1,396,693.76 - Step 6: Final answer
x = 1,196,183.33
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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.