Finding the Fourth Proportional to 1,212,414.76, 1,819,146.62 and 650,793.64
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Solution
The fourth proportional to 1,212,414.76, 1,819,146.62 and 650,793.64 is: 976,471.99
Step by Step Solution
- Step 1: Write the proportion equation
1,212,414.76 : 1,819,146.62 = 650,793.64 : x - Step 2: Convert to fraction form
1,212,414.76/1,819,146.62 = 650,793.64/x - Step 3: Cross multiply
1,212,414.76x = 1,819,146.62 × 650,793.64 - Step 4: Simplify right side
1,212,414.76x = 1,183,889,050,523.50 - Step 5: Solve for x
x = 1,183,889,050,523.50/1,212,414.76 - Step 6: Final answer
x = 976,471.99
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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.