Finding the Fourth Proportional to 1,192,243.68, 1,788,584.76 and 393,580.44
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Solution
The fourth proportional to 1,192,243.68, 1,788,584.76 and 393,580.44 is: 590,443.03
Step by Step Solution
- Step 1: Write the proportion equation
1,192,243.68 : 1,788,584.76 = 393,580.44 : x - Step 2: Convert to fraction form
1,192,243.68/1,788,584.76 = 393,580.44/x - Step 3: Cross multiply
1,192,243.68x = 1,788,584.76 × 393,580.44 - Step 4: Simplify right side
1,192,243.68x = 703,951,976,818.09 - Step 5: Solve for x
x = 703,951,976,818.09/1,192,243.68 - Step 6: Final answer
x = 590,443.03
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1.5x scale
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.