Finding the Fourth Proportional to 1,185,330.50, 1,635,755.97 and 641,466.26
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Solution
The fourth proportional to 1,185,330.50, 1,635,755.97 and 641,466.26 is: 885,223.37
Step by Step Solution
- Step 1: Write the proportion equation
1,185,330.50 : 1,635,755.97 = 641,466.26 : x - Step 2: Convert to fraction form
1,185,330.50/1,635,755.97 = 641,466.26/x - Step 3: Cross multiply
1,185,330.50x = 1,635,755.97 × 641,466.26 - Step 4: Simplify right side
1,185,330.50x = 1,049,282,264,348.57 - Step 5: Solve for x
x = 1,049,282,264,348.57/1,185,330.50 - Step 6: Final answer
x = 885,223.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.