Finding the Fourth Proportional to 1,170,423.75, 1,755,635.63 and 283,959.75
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Solution
The fourth proportional to 1,170,423.75, 1,755,635.63 and 283,959.75 is: 425,939.63
Step by Step Solution
- Step 1: Write the proportion equation
1,170,423.75 : 1,755,635.63 = 283,959.75 : x - Step 2: Convert to fraction form
1,170,423.75/1,755,635.63 = 283,959.75/x - Step 3: Cross multiply
1,170,423.75x = 1,755,635.63 × 283,959.75 - Step 4: Simplify right side
1,170,423.75x = 498,529,853,166.09 - Step 5: Solve for x
x = 498,529,853,166.09/1,170,423.75 - Step 6: Final answer
x = 425,939.63
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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.