Finding the Fourth Proportional to 1,131,816.24, 1,561,935.96 and 622,531.98
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Solution
The fourth proportional to 1,131,816.24, 1,561,935.96 and 622,531.98 is: 859,110.39
Step by Step Solution
- Step 1: Write the proportion equation
1,131,816.24 : 1,561,935.96 = 622,531.98 : x - Step 2: Convert to fraction form
1,131,816.24/1,561,935.96 = 622,531.98/x - Step 3: Cross multiply
1,131,816.24x = 1,561,935.96 × 622,531.98 - Step 4: Simplify right side
1,131,816.24x = 972,355,085,812.00 - Step 5: Solve for x
x = 972,355,085,812.00/1,131,816.24 - Step 6: Final answer
x = 859,110.39
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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.