Finding the Fourth Proportional to 1,093,163.28, 1,640,243.12 and 561,057.96
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Solution
The fourth proportional to 1,093,163.28, 1,640,243.12 and 561,057.96 is: 841,842.64
Step by Step Solution
- Step 1: Write the proportion equation
1,093,163.28 : 1,640,243.12 = 561,057.96 : x - Step 2: Convert to fraction form
1,093,163.28/1,640,243.12 = 561,057.96/x - Step 3: Cross multiply
1,093,163.28x = 1,640,243.12 × 561,057.96 - Step 4: Simplify right side
1,093,163.28x = 920,271,458,811.24 - Step 5: Solve for x
x = 920,271,458,811.24/1,093,163.28 - Step 6: Final answer
x = 841,842.64
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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.