Finding the Fourth Proportional to 1,192,138.83, 1,645,194.84 and 682,939.62
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Solution
The fourth proportional to 1,192,138.83, 1,645,194.84 and 682,939.62 is: 942,481.45
Step by Step Solution
- Step 1: Write the proportion equation
1,192,138.83 : 1,645,194.84 = 682,939.62 : x - Step 2: Convert to fraction form
1,192,138.83/1,645,194.84 = 682,939.62/x - Step 3: Cross multiply
1,192,138.83x = 1,645,194.84 × 682,939.62 - Step 4: Simplify right side
1,192,138.83x = 1,123,568,727,214.89 - Step 5: Solve for x
x = 1,123,568,727,214.89/1,192,138.83 - Step 6: Final answer
x = 942,481.45
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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.