Finding the Fourth Proportional to 1,288,174.20, 1,777,760.84 and 744,409.84
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Solution
The fourth proportional to 1,288,174.20, 1,777,760.84 and 744,409.84 is: 1,027,332.07
Step by Step Solution
- Step 1: Write the proportion equation
1,288,174.20 : 1,777,760.84 = 744,409.84 : x - Step 2: Convert to fraction form
1,288,174.20/1,777,760.84 = 744,409.84/x - Step 3: Cross multiply
1,288,174.20x = 1,777,760.84 × 744,409.84 - Step 4: Simplify right side
1,288,174.20x = 1,323,382,662,462.67 - Step 5: Solve for x
x = 1,323,382,662,462.67/1,288,174.20 - Step 6: Final answer
x = 1,027,332.07
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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.