Finding the Fourth Proportional to 1,228,396.14, 1,694,284.32 and 814,183.80
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Solution
The fourth proportional to 1,228,396.14, 1,694,284.32 and 814,183.80 is: 1,122,975.56
Step by Step Solution
- Step 1: Write the proportion equation
1,228,396.14 : 1,694,284.32 = 814,183.80 : x - Step 2: Convert to fraction form
1,228,396.14/1,694,284.32 = 814,183.80/x - Step 3: Cross multiply
1,228,396.14x = 1,694,284.32 × 814,183.80 - Step 4: Simplify right side
1,228,396.14x = 1,379,458,845,938.02 - Step 5: Solve for x
x = 1,379,458,845,938.02/1,228,396.14 - Step 6: Final answer
x = 1,122,975.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.