Finding the Fourth Proportional to 1,305,413.70, 1,801,476.09 and 732,416.46
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Solution
The fourth proportional to 1,305,413.70, 1,801,476.09 and 732,416.46 is: 1,010,737.62
Step by Step Solution
- Step 1: Write the proportion equation
1,305,413.70 : 1,801,476.09 = 732,416.46 : x - Step 2: Convert to fraction form
1,305,413.70/1,801,476.09 = 732,416.46/x - Step 3: Cross multiply
1,305,413.70x = 1,801,476.09 × 732,416.46 - Step 4: Simplify right side
1,305,413.70x = 1,319,430,740,612.44 - Step 5: Solve for x
x = 1,319,430,740,612.44/1,305,413.70 - Step 6: Final answer
x = 1,010,737.62
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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.