Finding the Fourth Proportional to 1,193,634.20, 1,790,469.94 and 664,518.18
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Solution
The fourth proportional to 1,193,634.20, 1,790,469.94 and 664,518.18 is: 996,787.65
Step by Step Solution
- Step 1: Write the proportion equation
1,193,634.20 : 1,790,469.94 = 664,518.18 : x - Step 2: Convert to fraction form
1,193,634.20/1,790,469.94 = 664,518.18/x - Step 3: Cross multiply
1,193,634.20x = 1,790,469.94 × 664,518.18 - Step 4: Simplify right side
1,193,634.20x = 1,189,799,825,873.51 - Step 5: Solve for x
x = 1,189,799,825,873.51/1,193,634.20 - Step 6: Final answer
x = 996,787.65
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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.