Finding the Fourth Proportional to 1,112,531.18, 1,668,244.68 and 354,273.84
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Solution
The fourth proportional to 1,112,531.18, 1,668,244.68 and 354,273.84 is: 531,234.96
Step by Step Solution
- Step 1: Write the proportion equation
1,112,531.18 : 1,668,244.68 = 354,273.84 : x - Step 2: Convert to fraction form
1,112,531.18/1,668,244.68 = 354,273.84/x - Step 3: Cross multiply
1,112,531.18x = 1,668,244.68 × 354,273.84 - Step 4: Simplify right side
1,112,531.18x = 591,015,448,843.17 - Step 5: Solve for x
x = 591,015,448,843.17/1,112,531.18 - Step 6: Final answer
x = 531,234.96
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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.