Finding the Fourth Proportional to 1,217,964.06, 1,680,793.92 and 674,137.62
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Solution
The fourth proportional to 1,217,964.06, 1,680,793.92 and 674,137.62 is: 930,311.86
Step by Step Solution
- Step 1: Write the proportion equation
1,217,964.06 : 1,680,793.92 = 674,137.62 : x - Step 2: Convert to fraction form
1,217,964.06/1,680,793.92 = 674,137.62/x - Step 3: Cross multiply
1,217,964.06x = 1,680,793.92 × 674,137.62 - Step 4: Simplify right side
1,217,964.06x = 1,133,086,412,939.27 - Step 5: Solve for x
x = 1,133,086,412,939.27/1,217,964.06 - Step 6: Final answer
x = 930,311.86
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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.