Finding the Fourth Proportional to 1,351,418.42, 1,864,957.56 and 739,571.42
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Solution
The fourth proportional to 1,351,418.42, 1,864,957.56 and 739,571.42 is: 1,020,608.64
Step by Step Solution
- Step 1: Write the proportion equation
1,351,418.42 : 1,864,957.56 = 739,571.42 : x - Step 2: Convert to fraction form
1,351,418.42/1,864,957.56 = 739,571.42/x - Step 3: Cross multiply
1,351,418.42x = 1,864,957.56 × 739,571.42 - Step 4: Simplify right side
1,351,418.42x = 1,379,269,310,888.94 - Step 5: Solve for x
x = 1,379,269,310,888.94/1,351,418.42 - Step 6: Final answer
x = 1,020,608.64
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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.