Finding the Fourth Proportional to 1,160,159.20, 1,738,165.20 and 994,271.20
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Solution
The fourth proportional to 1,160,159.20, 1,738,165.20 and 994,271.20 is: 1,489,629.70
Step by Step Solution
- Step 1: Write the proportion equation
1,160,159.20 : 1,738,165.20 = 994,271.20 : x - Step 2: Convert to fraction form
1,160,159.20/1,738,165.20 = 994,271.20/x - Step 3: Cross multiply
1,160,159.20x = 1,738,165.20 × 994,271.20 - Step 4: Simplify right side
1,160,159.20x = 1,728,207,599,202.24 - Step 5: Solve for x
x = 1,728,207,599,202.24/1,160,159.20 - Step 6: Final answer
x = 1,489,629.70
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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.