Finding the Fourth Proportional to 1,193,636.70, 1,790,473.68 and 664,520.67
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Solution
The fourth proportional to 1,193,636.70, 1,790,473.68 and 664,520.67 is: 996,791.38
Step by Step Solution
- Step 1: Write the proportion equation
1,193,636.70 : 1,790,473.68 = 664,520.67 : x - Step 2: Convert to fraction form
1,193,636.70/1,790,473.68 = 664,520.67/x - Step 3: Cross multiply
1,193,636.70x = 1,790,473.68 × 664,520.67 - Step 4: Simplify right side
1,193,636.70x = 1,189,806,769,450.97 - Step 5: Solve for x
x = 1,189,806,769,450.97/1,193,636.70 - Step 6: Final answer
x = 996,791.38
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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.