Finding the Fourth Proportional to 1,178,472.10, 1,626,245.58 and 720,353.68
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Solution
The fourth proportional to 1,178,472.10, 1,626,245.58 and 720,353.68 is: 994,060.01
Step by Step Solution
- Step 1: Write the proportion equation
1,178,472.10 : 1,626,245.58 = 720,353.68 : x - Step 2: Convert to fraction form
1,178,472.10/1,626,245.58 = 720,353.68/x - Step 3: Cross multiply
1,178,472.10x = 1,626,245.58 × 720,353.68 - Step 4: Simplify right side
1,178,472.10x = 1,171,471,988,136.73 - Step 5: Solve for x
x = 1,171,471,988,136.73/1,178,472.10 - Step 6: Final answer
x = 994,060.01
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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.