Finding the Fourth Proportional to 1,261,902.42, 1,741,625.28 and 802,538.06
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Solution
The fourth proportional to 1,261,902.42, 1,741,625.28 and 802,538.06 is: 1,107,629.67
Step by Step Solution
- Step 1: Write the proportion equation
1,261,902.42 : 1,741,625.28 = 802,538.06 : x - Step 2: Convert to fraction form
1,261,902.42/1,741,625.28 = 802,538.06/x - Step 3: Cross multiply
1,261,902.42x = 1,741,625.28 × 802,538.06 - Step 4: Simplify right side
1,261,902.42x = 1,397,720,564,750.03 - Step 5: Solve for x
x = 1,397,720,564,750.03/1,261,902.42 - Step 6: Final answer
x = 1,107,629.67
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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.