Finding the Fourth Proportional to 1,193,899.68, 1,647,697.68 and 891,568.80
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Solution
The fourth proportional to 1,193,899.68, 1,647,697.68 and 891,568.80 is: 1,230,451.66
Step by Step Solution
- Step 1: Write the proportion equation
1,193,899.68 : 1,647,697.68 = 891,568.80 : x - Step 2: Convert to fraction form
1,193,899.68/1,647,697.68 = 891,568.80/x - Step 3: Cross multiply
1,193,899.68x = 1,647,697.68 × 891,568.80 - Step 4: Simplify right side
1,193,899.68x = 1,469,035,843,320.38 - Step 5: Solve for x
x = 1,469,035,843,320.38/1,193,899.68 - Step 6: Final answer
x = 1,230,451.66
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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.