Finding the Fourth Proportional to 1,263,481.92, 1,743,608.16 and 690,528.96
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Solution
The fourth proportional to 1,263,481.92, 1,743,608.16 and 690,528.96 is: 952,931.66
Step by Step Solution
- Step 1: Write the proportion equation
1,263,481.92 : 1,743,608.16 = 690,528.96 : x - Step 2: Convert to fraction form
1,263,481.92/1,743,608.16 = 690,528.96/x - Step 3: Cross multiply
1,263,481.92x = 1,743,608.16 × 690,528.96 - Step 4: Simplify right side
1,263,481.92x = 1,204,011,929,372.31 - Step 5: Solve for x
x = 1,204,011,929,372.31/1,263,481.92 - Step 6: Final answer
x = 952,931.66
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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.