Finding the Fourth Proportional to 1,143,229.15, 1,577,542.54 and 659,949.99
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Solution
The fourth proportional to 1,143,229.15, 1,577,542.54 and 659,949.99 is: 910,665.36
Step by Step Solution
- Step 1: Write the proportion equation
1,143,229.15 : 1,577,542.54 = 659,949.99 : x - Step 2: Convert to fraction form
1,143,229.15/1,577,542.54 = 659,949.99/x - Step 3: Cross multiply
1,143,229.15x = 1,577,542.54 × 659,949.99 - Step 4: Simplify right side
1,143,229.15x = 1,041,099,183,497.57 - Step 5: Solve for x
x = 1,041,099,183,497.57/1,143,229.15 - Step 6: Final answer
x = 910,665.36
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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.