Finding the Fourth Proportional to 874,413.10, 1,212,193.07 and 826,517.98
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Solution
The fourth proportional to 874,413.10, 1,212,193.07 and 826,517.98 is: 1,145,796.38
Step by Step Solution
- Step 1: Write the proportion equation
874,413.10 : 1,212,193.07 = 826,517.98 : x - Step 2: Convert to fraction form
874,413.10/1,212,193.07 = 826,517.98/x - Step 3: Cross multiply
874,413.10x = 1,212,193.07 × 826,517.98 - Step 4: Simplify right side
874,413.10x = 1,001,899,367,586.40 - Step 5: Solve for x
x = 1,001,899,367,586.40/874,413.10 - Step 6: Final answer
x = 1,145,796.38
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.