Finding the Fourth Proportional to 995,163.20, 1,496,431.20 and 832,961.60
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Solution
The fourth proportional to 995,163.20, 1,496,431.20 and 832,961.60 is: 1,252,527.95
Step by Step Solution
- Step 1: Write the proportion equation
995,163.20 : 1,496,431.20 = 832,961.60 : x - Step 2: Convert to fraction form
995,163.20/1,496,431.20 = 832,961.60/x - Step 3: Cross multiply
995,163.20x = 1,496,431.20 × 832,961.60 - Step 4: Simplify right side
995,163.20x = 1,246,469,726,641.92 - Step 5: Solve for x
x = 1,246,469,726,641.92/995,163.20 - Step 6: Final answer
x = 1,252,527.95
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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.