Finding the Fourth Proportional to 1,125,919.14, 1,689,163.86 and 327,183.54
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Solution
The fourth proportional to 1,125,919.14, 1,689,163.86 and 327,183.54 is: 490,858.17
Step by Step Solution
- Step 1: Write the proportion equation
1,125,919.14 : 1,689,163.86 = 327,183.54 : x - Step 2: Convert to fraction form
1,125,919.14/1,689,163.86 = 327,183.54/x - Step 3: Cross multiply
1,125,919.14x = 1,689,163.86 × 327,183.54 - Step 4: Simplify right side
1,125,919.14x = 552,666,611,354.86 - Step 5: Solve for x
x = 552,666,611,354.86/1,125,919.14 - Step 6: Final answer
x = 490,858.17
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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.