Finding the Fourth Proportional to 1,313,247.30, 1,811,972.61 and 796,989.75
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Solution
The fourth proportional to 1,313,247.30, 1,811,972.61 and 796,989.75 is: 1,099,658.53
Step by Step Solution
- Step 1: Write the proportion equation
1,313,247.30 : 1,811,972.61 = 796,989.75 : x - Step 2: Convert to fraction form
1,313,247.30/1,811,972.61 = 796,989.75/x - Step 3: Cross multiply
1,313,247.30x = 1,811,972.61 × 796,989.75 - Step 4: Simplify right side
1,313,247.30x = 1,444,123,597,450.75 - Step 5: Solve for x
x = 1,444,123,597,450.75/1,313,247.30 - Step 6: Final answer
x = 1,099,658.53
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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.