Finding the Fourth Proportional to 1,409,452.26, 1,945,045.36 and 764,872.44
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Solution
The fourth proportional to 1,409,452.26, 1,945,045.36 and 764,872.44 is: 1,055,524.64
Step by Step Solution
- Step 1: Write the proportion equation
1,409,452.26 : 1,945,045.36 = 764,872.44 : x - Step 2: Convert to fraction form
1,409,452.26/1,945,045.36 = 764,872.44/x - Step 3: Cross multiply
1,409,452.26x = 1,945,045.36 × 764,872.44 - Step 4: Simplify right side
1,409,452.26x = 1,487,711,590,413.88 - Step 5: Solve for x
x = 1,487,711,590,413.88/1,409,452.26 - Step 6: Final answer
x = 1,055,524.64
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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.