Finding the Fourth Proportional to 1,192,678.92, 1,789,195.26 and 394,044.84
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Solution
The fourth proportional to 1,192,678.92, 1,789,195.26 and 394,044.84 is: 591,125.70
Step by Step Solution
- Step 1: Write the proportion equation
1,192,678.92 : 1,789,195.26 = 394,044.84 : x - Step 2: Convert to fraction form
1,192,678.92/1,789,195.26 = 394,044.84/x - Step 3: Cross multiply
1,192,678.92x = 1,789,195.26 × 394,044.84 - Step 4: Simplify right side
1,192,678.92x = 705,023,159,955.46 - Step 5: Solve for x
x = 705,023,159,955.46/1,192,678.92 - Step 6: Final answer
x = 591,125.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.