Finding the Fourth Proportional to 1,163,107.20, 1,741,861.36 and 787,992.96
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Solution
The fourth proportional to 1,163,107.20, 1,741,861.36 and 787,992.96 is: 1,180,092.85
Step by Step Solution
- Step 1: Write the proportion equation
1,163,107.20 : 1,741,861.36 = 787,992.96 : x - Step 2: Convert to fraction form
1,163,107.20/1,741,861.36 = 787,992.96/x - Step 3: Cross multiply
1,163,107.20x = 1,741,861.36 × 787,992.96 - Step 4: Simplify right side
1,163,107.20x = 1,372,574,488,976.03 - Step 5: Solve for x
x = 1,372,574,488,976.03/1,163,107.20 - Step 6: Final answer
x = 1,180,092.85
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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.