Finding the Fourth Proportional to 1,170,717.99, 1,756,096.42 and 412,568.62
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Solution
The fourth proportional to 1,170,717.99, 1,756,096.42 and 412,568.62 is: 618,859.78
Step by Step Solution
- Step 1: Write the proportion equation
1,170,717.99 : 1,756,096.42 = 412,568.62 : x - Step 2: Convert to fraction form
1,170,717.99/1,756,096.42 = 412,568.62/x - Step 3: Cross multiply
1,170,717.99x = 1,756,096.42 × 412,568.62 - Step 4: Simplify right side
1,170,717.99x = 724,510,271,938.24 - Step 5: Solve for x
x = 724,510,271,938.24/1,170,717.99 - Step 6: Final answer
x = 618,859.78
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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.