Finding the Fourth Proportional to 1,161,816.65, 1,603,431.91 and 703,183.62
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Solution
The fourth proportional to 1,161,816.65, 1,603,431.91 and 703,183.62 is: 970,469.01
Step by Step Solution
- Step 1: Write the proportion equation
1,161,816.65 : 1,603,431.91 = 703,183.62 : x - Step 2: Convert to fraction form
1,161,816.65/1,603,431.91 = 703,183.62/x - Step 3: Cross multiply
1,161,816.65x = 1,603,431.91 × 703,183.62 - Step 4: Simplify right side
1,161,816.65x = 1,127,507,049,130.78 - Step 5: Solve for x
x = 1,127,507,049,130.78/1,161,816.65 - Step 6: Final answer
x = 970,469.01
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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.