Finding the Fourth Proportional to 1,206,696.09, 1,665,060.12 and 690,367.98
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Solution
The fourth proportional to 1,206,696.09, 1,665,060.12 and 690,367.98 is: 952,604.55
Step by Step Solution
- Step 1: Write the proportion equation
1,206,696.09 : 1,665,060.12 = 690,367.98 : x - Step 2: Convert to fraction form
1,206,696.09/1,665,060.12 = 690,367.98/x - Step 3: Cross multiply
1,206,696.09x = 1,665,060.12 × 690,367.98 - Step 4: Simplify right side
1,206,696.09x = 1,149,504,191,622.96 - Step 5: Solve for x
x = 1,149,504,191,622.96/1,206,696.09 - Step 6: Final answer
x = 952,604.55
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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.