Finding the Fourth Proportional to 1,135,163.76, 1,565,230.68 and 848,200.56
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Solution
The fourth proportional to 1,135,163.76, 1,565,230.68 and 848,200.56 is: 1,169,548.91
Step by Step Solution
- Step 1: Write the proportion equation
1,135,163.76 : 1,565,230.68 = 848,200.56 : x - Step 2: Convert to fraction form
1,135,163.76/1,565,230.68 = 848,200.56/x - Step 3: Cross multiply
1,135,163.76x = 1,565,230.68 × 848,200.56 - Step 4: Simplify right side
1,135,163.76x = 1,327,629,539,305.18 - Step 5: Solve for x
x = 1,327,629,539,305.18/1,135,163.76 - Step 6: Final answer
x = 1,169,548.91
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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.