Finding the Fourth Proportional to 1,330,686.20, 1,993,404.90 and 796,620.80
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Solution
The fourth proportional to 1,330,686.20, 1,993,404.90 and 796,620.80 is: 1,193,360.09
Step by Step Solution
- Step 1: Write the proportion equation
1,330,686.20 : 1,993,404.90 = 796,620.80 : x - Step 2: Convert to fraction form
1,330,686.20/1,993,404.90 = 796,620.80/x - Step 3: Cross multiply
1,330,686.20x = 1,993,404.90 × 796,620.80 - Step 4: Simplify right side
1,330,686.20x = 1,587,987,806,161.92 - Step 5: Solve for x
x = 1,587,987,806,161.92/1,330,686.20 - Step 6: Final answer
x = 1,193,360.09
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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.