Finding the Fourth Proportional to 1,202,480.73, 1,659,450.29 and 686,224.35
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Solution
The fourth proportional to 1,202,480.73, 1,659,450.29 and 686,224.35 is: 947,004.94
Step by Step Solution
- Step 1: Write the proportion equation
1,202,480.73 : 1,659,450.29 = 686,224.35 : x - Step 2: Convert to fraction form
1,202,480.73/1,659,450.29 = 686,224.35/x - Step 3: Cross multiply
1,202,480.73x = 1,659,450.29 × 686,224.35 - Step 4: Simplify right side
1,202,480.73x = 1,138,755,193,181.44 - Step 5: Solve for x
x = 1,138,755,193,181.44/1,202,480.73 - Step 6: Final answer
x = 947,004.94
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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.