Finding the Fourth Proportional to 1,508,563.78, 2,261,350.94 and 708,413.02
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Solution
The fourth proportional to 1,508,563.78, 2,261,350.94 and 708,413.02 is: 1,061,917.61
Step by Step Solution
- Step 1: Write the proportion equation
1,508,563.78 : 2,261,350.94 = 708,413.02 : x - Step 2: Convert to fraction form
1,508,563.78/2,261,350.94 = 708,413.02/x - Step 3: Cross multiply
1,508,563.78x = 2,261,350.94 × 708,413.02 - Step 4: Simplify right side
1,508,563.78x = 1,601,970,448,685.24 - Step 5: Solve for x
x = 1,601,970,448,685.24/1,508,563.78 - Step 6: Final answer
x = 1,061,917.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.