Finding the Fourth Proportional to 1,442,919.68, 1,991,287.88 and 798,329.44
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Solution
The fourth proportional to 1,442,919.68, 1,991,287.88 and 798,329.44 is: 1,101,727.12
Step by Step Solution
- Step 1: Write the proportion equation
1,442,919.68 : 1,991,287.88 = 798,329.44 : x - Step 2: Convert to fraction form
1,442,919.68/1,991,287.88 = 798,329.44/x - Step 3: Cross multiply
1,442,919.68x = 1,991,287.88 × 798,329.44 - Step 4: Simplify right side
1,442,919.68x = 1,589,703,738,119.19 - Step 5: Solve for x
x = 1,589,703,738,119.19/1,442,919.68 - Step 6: Final answer
x = 1,101,727.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.