Finding the Fourth Proportional to 1,278,231.05, 1,764,597.99 and 794,951.90
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Solution
The fourth proportional to 1,278,231.05, 1,764,597.99 and 794,951.90 is: 1,097,431.11
Step by Step Solution
- Step 1: Write the proportion equation
1,278,231.05 : 1,764,597.99 = 794,951.90 : x - Step 2: Convert to fraction form
1,278,231.05/1,764,597.99 = 794,951.90/x - Step 3: Cross multiply
1,278,231.05x = 1,764,597.99 × 794,951.90 - Step 4: Simplify right side
1,278,231.05x = 1,402,770,516,063.69 - Step 5: Solve for x
x = 1,402,770,516,063.69/1,278,231.05 - Step 6: Final answer
x = 1,097,431.11
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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.