Finding the Fourth Proportional to 1,293,163.92, 1,784,621.52 and 720,204
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Solution
The fourth proportional to 1,293,163.92, 1,784,621.52 and 720,204 is: 993,912.32
Step by Step Solution
- Step 1: Write the proportion equation
1,293,163.92 : 1,784,621.52 = 720,204 : x - Step 2: Convert to fraction form
1,293,163.92/1,784,621.52 = 720,204/x - Step 3: Cross multiply
1,293,163.92x = 1,784,621.52 × 720,204 - Step 4: Simplify right side
1,293,163.92x = 1,285,291,557,190.08 - Step 5: Solve for x
x = 1,285,291,557,190.08/1,293,163.92 - Step 6: Final answer
x = 993,912.32
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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.