Finding the Fourth Proportional to 1,440,791.49, 1,988,123.09 and 796,173.24
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Solution
The fourth proportional to 1,440,791.49, 1,988,123.09 and 796,173.24 is: 1,098,625.59
Step by Step Solution
- Step 1: Write the proportion equation
1,440,791.49 : 1,988,123.09 = 796,173.24 : x - Step 2: Convert to fraction form
1,440,791.49/1,988,123.09 = 796,173.24/x - Step 3: Cross multiply
1,440,791.49x = 1,988,123.09 × 796,173.24 - Step 4: Simplify right side
1,440,791.49x = 1,582,890,398,103.25 - Step 5: Solve for x
x = 1,582,890,398,103.25/1,440,791.49 - Step 6: Final answer
x = 1,098,625.59
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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.