Finding the Fourth Proportional to 1,273,610.18, 1,757,596.56 and 729,735.05
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Solution
The fourth proportional to 1,273,610.18, 1,757,596.56 and 729,735.05 is: 1,007,042.68
Step by Step Solution
- Step 1: Write the proportion equation
1,273,610.18 : 1,757,596.56 = 729,735.05 : x - Step 2: Convert to fraction form
1,273,610.18/1,757,596.56 = 729,735.05/x - Step 3: Cross multiply
1,273,610.18x = 1,757,596.56 × 729,735.05 - Step 4: Simplify right side
1,273,610.18x = 1,282,579,813,591.43 - Step 5: Solve for x
x = 1,282,579,813,591.43/1,273,610.18 - Step 6: Final answer
x = 1,007,042.68
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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.