Finding the Fourth Proportional to 1,252,950.59, 1,728,821.70 and 762,591.68
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Solution
The fourth proportional to 1,252,950.59, 1,728,821.70 and 762,591.68 is: 1,052,224.29
Step by Step Solution
- Step 1: Write the proportion equation
1,252,950.59 : 1,728,821.70 = 762,591.68 : x - Step 2: Convert to fraction form
1,252,950.59/1,728,821.70 = 762,591.68/x - Step 3: Cross multiply
1,252,950.59x = 1,728,821.70 × 762,591.68 - Step 4: Simplify right side
1,252,950.59x = 1,318,385,044,623.46 - Step 5: Solve for x
x = 1,318,385,044,623.46/1,252,950.59 - Step 6: Final answer
x = 1,052,224.29
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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.