Finding the Fourth Proportional to 1,261,770.84, 1,741,250.85 and 717,906.63
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Solution
The fourth proportional to 1,261,770.84, 1,741,250.85 and 717,906.63 is: 990,715.18
Step by Step Solution
- Step 1: Write the proportion equation
1,261,770.84 : 1,741,250.85 = 717,906.63 : x - Step 2: Convert to fraction form
1,261,770.84/1,741,250.85 = 717,906.63/x - Step 3: Cross multiply
1,261,770.84x = 1,741,250.85 × 717,906.63 - Step 4: Simplify right side
1,261,770.84x = 1,250,055,529,708.14 - Step 5: Solve for x
x = 1,250,055,529,708.14/1,261,770.84 - Step 6: Final answer
x = 990,715.18
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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.