Finding the Fourth Proportional to 1,206,413.33, 1,664,891.21 and 690,252.17
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Solution
The fourth proportional to 1,206,413.33, 1,664,891.21 and 690,252.17 is: 952,571.35
Step by Step Solution
- Step 1: Write the proportion equation
1,206,413.33 : 1,664,891.21 = 690,252.17 : x - Step 2: Convert to fraction form
1,206,413.33/1,664,891.21 = 690,252.17/x - Step 3: Cross multiply
1,206,413.33x = 1,664,891.21 × 690,252.17 - Step 4: Simplify right side
1,206,413.33x = 1,149,194,763,917.60 - Step 5: Solve for x
x = 1,149,194,763,917.60/1,206,413.33 - Step 6: Final answer
x = 952,571.35
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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.