Finding the Fourth Proportional to 1,192,832.64, 1,789,430.40 and 394,198.56
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Solution
The fourth proportional to 1,192,832.64, 1,789,430.40 and 394,198.56 is: 591,357.80
Step by Step Solution
- Step 1: Write the proportion equation
1,192,832.64 : 1,789,430.40 = 394,198.56 : x - Step 2: Convert to fraction form
1,192,832.64/1,789,430.40 = 394,198.56/x - Step 3: Cross multiply
1,192,832.64x = 1,789,430.40 × 394,198.56 - Step 4: Simplify right side
1,192,832.64x = 705,390,886,900.22 - Step 5: Solve for x
x = 705,390,886,900.22/1,192,832.64 - Step 6: Final answer
x = 591,357.80
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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.