Finding the Fourth Proportional to 1,161,293.22, 1,742,188.70 and 403,158.74
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Solution
The fourth proportional to 1,161,293.22, 1,742,188.70 and 403,158.74 is: 604,824.50
Step by Step Solution
- Step 1: Write the proportion equation
1,161,293.22 : 1,742,188.70 = 403,158.74 : x - Step 2: Convert to fraction form
1,161,293.22/1,742,188.70 = 403,158.74/x - Step 3: Cross multiply
1,161,293.22x = 1,742,188.70 × 403,158.74 - Step 4: Simplify right side
1,161,293.22x = 702,378,593,431.19 - Step 5: Solve for x
x = 702,378,593,431.19/1,161,293.22 - Step 6: Final answer
x = 604,824.50
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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.