Finding the Fourth Proportional to 1,275,722.66, 1,760,413.70 and 702,762.84
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Solution
The fourth proportional to 1,275,722.66, 1,760,413.70 and 702,762.84 is: 969,766.68
Step by Step Solution
- Step 1: Write the proportion equation
1,275,722.66 : 1,760,413.70 = 702,762.84 : x - Step 2: Convert to fraction form
1,275,722.66/1,760,413.70 = 702,762.84/x - Step 3: Cross multiply
1,275,722.66x = 1,760,413.70 × 702,762.84 - Step 4: Simplify right side
1,275,722.66x = 1,237,153,331,386.91 - Step 5: Solve for x
x = 1,237,153,331,386.91/1,275,722.66 - Step 6: Final answer
x = 969,766.68
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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.