Finding the Fourth Proportional to 1,181,163.79, 1,772,027.90 and 382,446.21
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Solution
The fourth proportional to 1,181,163.79, 1,772,027.90 and 382,446.21 is: 573,760.69
Step by Step Solution
- Step 1: Write the proportion equation
1,181,163.79 : 1,772,027.90 = 382,446.21 : x - Step 2: Convert to fraction form
1,181,163.79/1,772,027.90 = 382,446.21/x - Step 3: Cross multiply
1,181,163.79x = 1,772,027.90 × 382,446.21 - Step 4: Simplify right side
1,181,163.79x = 677,705,354,369.26 - Step 5: Solve for x
x = 677,705,354,369.26/1,181,163.79 - Step 6: Final answer
x = 573,760.69
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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.