Finding the Fourth Proportional to 1,135,689.28, 1,701,850.86 and 460,949.68
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Solution
The fourth proportional to 1,135,689.28, 1,701,850.86 and 460,949.68 is: 690,741.41
Step by Step Solution
- Step 1: Write the proportion equation
1,135,689.28 : 1,701,850.86 = 460,949.68 : x - Step 2: Convert to fraction form
1,135,689.28/1,701,850.86 = 460,949.68/x - Step 3: Cross multiply
1,135,689.28x = 1,701,850.86 × 460,949.68 - Step 4: Simplify right side
1,135,689.28x = 784,467,609,324.73 - Step 5: Solve for x
x = 784,467,609,324.73/1,135,689.28 - Step 6: Final answer
x = 690,741.41
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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.