Finding the Fourth Proportional to 1,021,146.09, 1,531,718.42 and 459,524.49
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Solution
The fourth proportional to 1,021,146.09, 1,531,718.42 and 459,524.49 is: 689,286.41
Step by Step Solution
- Step 1: Write the proportion equation
1,021,146.09 : 1,531,718.42 = 459,524.49 : x - Step 2: Convert to fraction form
1,021,146.09/1,531,718.42 = 459,524.49/x - Step 3: Cross multiply
1,021,146.09x = 1,531,718.42 × 459,524.49 - Step 4: Simplify right side
1,021,146.09x = 703,862,123,476.48 - Step 5: Solve for x
x = 703,862,123,476.48/1,021,146.09 - Step 6: Final answer
x = 689,286.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.