Finding the Fourth Proportional to 1,276,561.24, 1,761,662.70 and 703,601.44
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Solution
The fourth proportional to 1,276,561.24, 1,761,662.70 and 703,601.44 is: 970,974.50
Step by Step Solution
- Step 1: Write the proportion equation
1,276,561.24 : 1,761,662.70 = 703,601.44 : x - Step 2: Convert to fraction form
1,276,561.24/1,761,662.70 = 703,601.44/x - Step 3: Cross multiply
1,276,561.24x = 1,761,662.70 × 703,601.44 - Step 4: Simplify right side
1,276,561.24x = 1,239,508,412,514.29 - Step 5: Solve for x
x = 1,239,508,412,514.29/1,276,561.24 - Step 6: Final answer
x = 970,974.50
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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.