Finding the Fourth Proportional to 1,287,043.92, 1,930,241.97 and 529,096.74
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Solution
The fourth proportional to 1,287,043.92, 1,930,241.97 and 529,096.74 is: 793,511.95
Step by Step Solution
- Step 1: Write the proportion equation
1,287,043.92 : 1,930,241.97 = 529,096.74 : x - Step 2: Convert to fraction form
1,287,043.92/1,930,241.97 = 529,096.74/x - Step 3: Cross multiply
1,287,043.92x = 1,930,241.97 × 529,096.74 - Step 4: Simplify right side
1,287,043.92x = 1,021,284,733,738.18 - Step 5: Solve for x
x = 1,021,284,733,738.18/1,287,043.92 - Step 6: Final answer
x = 793,511.95
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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.