Finding the Fourth Proportional to 1,123,163.46, 1,684,745.17 and 270,235.13
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Solution
The fourth proportional to 1,123,163.46, 1,684,745.17 and 270,235.13 is: 405,352.68
Step by Step Solution
- Step 1: Write the proportion equation
1,123,163.46 : 1,684,745.17 = 270,235.13 : x - Step 2: Convert to fraction form
1,123,163.46/1,684,745.17 = 270,235.13/x - Step 3: Cross multiply
1,123,163.46x = 1,684,745.17 × 270,235.13 - Step 4: Simplify right side
1,123,163.46x = 455,277,320,932.51 - Step 5: Solve for x
x = 455,277,320,932.51/1,123,163.46 - Step 6: Final answer
x = 405,352.68
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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.