Finding the Fourth Proportional to 1,161,422.18, 1,742,375.15 and 585,369.21
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Solution
The fourth proportional to 1,161,422.18, 1,742,375.15 and 585,369.21 is: 878,175.73
Step by Step Solution
- Step 1: Write the proportion equation
1,161,422.18 : 1,742,375.15 = 585,369.21 : x - Step 2: Convert to fraction form
1,161,422.18/1,742,375.15 = 585,369.21/x - Step 3: Cross multiply
1,161,422.18x = 1,742,375.15 × 585,369.21 - Step 4: Simplify right side
1,161,422.18x = 1,019,932,765,079.13 - Step 5: Solve for x
x = 1,019,932,765,079.13/1,161,422.18 - Step 6: Final answer
x = 878,175.73
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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.