Finding the Fourth Proportional to 1,292,413.97, 1,783,770.44 and 748,549.60
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Solution
The fourth proportional to 1,292,413.97, 1,783,770.44 and 748,549.60 is: 1,033,136.96
Step by Step Solution
- Step 1: Write the proportion equation
1,292,413.97 : 1,783,770.44 = 748,549.60 : x - Step 2: Convert to fraction form
1,292,413.97/1,783,770.44 = 748,549.60/x - Step 3: Cross multiply
1,292,413.97x = 1,783,770.44 × 748,549.60 - Step 4: Simplify right side
1,292,413.97x = 1,335,240,641,151.65 - Step 5: Solve for x
x = 1,335,240,641,151.65/1,292,413.97 - Step 6: Final answer
x = 1,033,136.96
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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.