Finding the Fourth Proportional to 1,053,883.09, 1,581,076.14 and 343,912.42
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Solution
The fourth proportional to 1,053,883.09, 1,581,076.14 and 343,912.42 is: 515,950.70
Step by Step Solution
- Step 1: Write the proportion equation
1,053,883.09 : 1,581,076.14 = 343,912.42 : x - Step 2: Convert to fraction form
1,053,883.09/1,581,076.14 = 343,912.42/x - Step 3: Cross multiply
1,053,883.09x = 1,581,076.14 × 343,912.42 - Step 4: Simplify right side
1,053,883.09x = 543,751,721,511.66 - Step 5: Solve for x
x = 543,751,721,511.66/1,053,883.09 - Step 6: Final answer
x = 515,950.70
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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.