Finding the Fourth Proportional to 1,219,049.28, 1,682,159.94 and 675,170.82
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Solution
The fourth proportional to 1,219,049.28, 1,682,159.94 and 675,170.82 is: 931,664.80
Step by Step Solution
- Step 1: Write the proportion equation
1,219,049.28 : 1,682,159.94 = 675,170.82 : x - Step 2: Convert to fraction form
1,219,049.28/1,682,159.94 = 675,170.82/x - Step 3: Cross multiply
1,219,049.28x = 1,682,159.94 × 675,170.82 - Step 4: Simplify right side
1,219,049.28x = 1,135,745,306,060.95 - Step 5: Solve for x
x = 1,135,745,306,060.95/1,219,049.28 - Step 6: Final answer
x = 931,664.80
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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.