Finding the Fourth Proportional to 1,161,422.68, 1,742,375.90 and 585,369.71
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Solution
The fourth proportional to 1,161,422.68, 1,742,375.90 and 585,369.71 is: 878,176.48
Step by Step Solution
- Step 1: Write the proportion equation
1,161,422.68 : 1,742,375.90 = 585,369.71 : x - Step 2: Convert to fraction form
1,161,422.68/1,742,375.90 = 585,369.71/x - Step 3: Cross multiply
1,161,422.68x = 1,742,375.90 × 585,369.71 - Step 4: Simplify right side
1,161,422.68x = 1,019,934,075,293.99 - Step 5: Solve for x
x = 1,019,934,075,293.99/1,161,422.68 - Step 6: Final answer
x = 878,176.48
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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.