Finding the Fourth Proportional to 1,252,741.75, 1,728,821.98 and 736,400.97
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Solution
The fourth proportional to 1,252,741.75, 1,728,821.98 and 736,400.97 is: 1,016,255.89
Step by Step Solution
- Step 1: Write the proportion equation
1,252,741.75 : 1,728,821.98 = 736,400.97 : x - Step 2: Convert to fraction form
1,252,741.75/1,728,821.98 = 736,400.97/x - Step 3: Cross multiply
1,252,741.75x = 1,728,821.98 × 736,400.97 - Step 4: Simplify right side
1,252,741.75x = 1,273,106,183,949.82 - Step 5: Solve for x
x = 1,273,106,183,949.82/1,252,741.75 - Step 6: Final answer
x = 1,016,255.89
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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.