Finding the Fourth Proportional to 1,120,919.33, 1,546,902.72 and 637,553.99
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Solution
The fourth proportional to 1,120,919.33, 1,546,902.72 and 637,553.99 is: 879,843.87
Step by Step Solution
- Step 1: Write the proportion equation
1,120,919.33 : 1,546,902.72 = 637,553.99 : x - Step 2: Convert to fraction form
1,120,919.33/1,546,902.72 = 637,553.99/x - Step 3: Cross multiply
1,120,919.33x = 1,546,902.72 × 637,553.99 - Step 4: Simplify right side
1,120,919.33x = 986,234,001,277.85 - Step 5: Solve for x
x = 986,234,001,277.85/1,120,919.33 - Step 6: Final answer
x = 879,843.87
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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.