Finding the Fourth Proportional to 1,021,146.59, 1,531,719.17 and 459,524.99
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Solution
The fourth proportional to 1,021,146.59, 1,531,719.17 and 459,524.99 is: 689,287.16
Step by Step Solution
- Step 1: Write the proportion equation
1,021,146.59 : 1,531,719.17 = 459,524.99 : x - Step 2: Convert to fraction form
1,021,146.59/1,531,719.17 = 459,524.99/x - Step 3: Cross multiply
1,021,146.59x = 1,531,719.17 × 459,524.99 - Step 4: Simplify right side
1,021,146.59x = 703,863,233,979.43 - Step 5: Solve for x
x = 703,863,233,979.43/1,021,146.59 - Step 6: Final answer
x = 689,287.16
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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.