Finding the Fourth Proportional to 1,208,046.08, 1,667,114.97 and 664,185.62
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Solution
The fourth proportional to 1,208,046.08, 1,667,114.97 and 664,185.62 is: 916,582.41
Step by Step Solution
- Step 1: Write the proportion equation
1,208,046.08 : 1,667,114.97 = 664,185.62 : x - Step 2: Convert to fraction form
1,208,046.08/1,667,114.97 = 664,185.62/x - Step 3: Cross multiply
1,208,046.08x = 1,667,114.97 × 664,185.62 - Step 4: Simplify right side
1,208,046.08x = 1,107,273,789,960.73 - Step 5: Solve for x
x = 1,107,273,789,960.73/1,208,046.08 - Step 6: Final answer
x = 916,582.41
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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.