Finding the Fourth Proportional to 1,267,747.80, 1,749,481.92 and 694,786.62
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Solution
The fourth proportional to 1,267,747.80, 1,749,481.92 and 694,786.62 is: 958,800.03
Step by Step Solution
- Step 1: Write the proportion equation
1,267,747.80 : 1,749,481.92 = 694,786.62 : x - Step 2: Convert to fraction form
1,267,747.80/1,749,481.92 = 694,786.62/x - Step 3: Cross multiply
1,267,747.80x = 1,749,481.92 × 694,786.62 - Step 4: Simplify right side
1,267,747.80x = 1,215,516,629,947.91 - Step 5: Solve for x
x = 1,215,516,629,947.91/1,267,747.80 - Step 6: Final answer
x = 958,800.03
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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.