Finding the Fourth Proportional to 1,192,675.92, 1,789,190.76 and 394,041.84
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Solution
The fourth proportional to 1,192,675.92, 1,789,190.76 and 394,041.84 is: 591,121.20
Step by Step Solution
- Step 1: Write the proportion equation
1,192,675.92 : 1,789,190.76 = 394,041.84 : x - Step 2: Convert to fraction form
1,192,675.92/1,789,190.76 = 394,041.84/x - Step 3: Cross multiply
1,192,675.92x = 1,789,190.76 × 394,041.84 - Step 4: Simplify right side
1,192,675.92x = 705,016,019,181.40 - Step 5: Solve for x
x = 705,016,019,181.40/1,192,675.92 - Step 6: Final answer
x = 591,121.20
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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.