Finding the Fourth Proportional to 1,324,960.01, 1,987,161.37 and 426,482.09
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Solution
The fourth proportional to 1,324,960.01, 1,987,161.37 and 426,482.09 is: 639,633.44
Step by Step Solution
- Step 1: Write the proportion equation
1,324,960.01 : 1,987,161.37 = 426,482.09 : x - Step 2: Convert to fraction form
1,324,960.01/1,987,161.37 = 426,482.09/x - Step 3: Cross multiply
1,324,960.01x = 1,987,161.37 × 426,482.09 - Step 4: Simplify right side
1,324,960.01x = 847,488,723,242.85 - Step 5: Solve for x
x = 847,488,723,242.85/1,324,960.01 - Step 6: Final answer
x = 639,633.44
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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.