Finding the Fourth Proportional to 1,338,734.43, 1,847,485.61 and 726,912.97
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Solution
The fourth proportional to 1,338,734.43, 1,847,485.61 and 726,912.97 is: 1,003,157.33
Step by Step Solution
- Step 1: Write the proportion equation
1,338,734.43 : 1,847,485.61 = 726,912.97 : x - Step 2: Convert to fraction form
1,338,734.43/1,847,485.61 = 726,912.97/x - Step 3: Cross multiply
1,338,734.43x = 1,847,485.61 × 726,912.97 - Step 4: Simplify right side
1,338,734.43x = 1,342,961,251,797.36 - Step 5: Solve for x
x = 1,342,961,251,797.36/1,338,734.43 - Step 6: Final answer
x = 1,003,157.33
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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.