Finding the Fourth Proportional to 1,204,678.92, 1,662,759.36 and 818,148.48
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Solution
The fourth proportional to 1,204,678.92, 1,662,759.36 and 818,148.48 is: 1,129,250.31
Step by Step Solution
- Step 1: Write the proportion equation
1,204,678.92 : 1,662,759.36 = 818,148.48 : x - Step 2: Convert to fraction form
1,204,678.92/1,662,759.36 = 818,148.48/x - Step 3: Cross multiply
1,204,678.92x = 1,662,759.36 × 818,148.48 - Step 4: Simplify right side
1,204,678.92x = 1,360,384,042,989.77 - Step 5: Solve for x
x = 1,360,384,042,989.77/1,204,678.92 - Step 6: Final answer
x = 1,129,250.31
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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.