Finding the Fourth Proportional to 1,178,592.22, 1,626,414.12 and 720,474.04
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Solution
The fourth proportional to 1,178,592.22, 1,626,414.12 and 720,474.04 is: 994,227.80
Step by Step Solution
- Step 1: Write the proportion equation
1,178,592.22 : 1,626,414.12 = 720,474.04 : x - Step 2: Convert to fraction form
1,178,592.22/1,626,414.12 = 720,474.04/x - Step 3: Cross multiply
1,178,592.22x = 1,626,414.12 × 720,474.04 - Step 4: Simplify right side
1,178,592.22x = 1,171,789,151,749.44 - Step 5: Solve for x
x = 1,171,789,151,749.44/1,178,592.22 - Step 6: Final answer
x = 994,227.80
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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.