Finding the Fourth Proportional to 1,107,729.54, 1,528,668.18 and 598,431.96
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Solution
The fourth proportional to 1,107,729.54, 1,528,668.18 and 598,431.96 is: 825,836.87
Step by Step Solution
- Step 1: Write the proportion equation
1,107,729.54 : 1,528,668.18 = 598,431.96 : x - Step 2: Convert to fraction form
1,107,729.54/1,528,668.18 = 598,431.96/x - Step 3: Cross multiply
1,107,729.54x = 1,528,668.18 × 598,431.96 - Step 4: Simplify right side
1,107,729.54x = 914,803,895,147.03 - Step 5: Solve for x
x = 914,803,895,147.03/1,107,729.54 - Step 6: Final answer
x = 825,836.87
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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.