Finding the Fourth Proportional to 1,206,110.41, 1,664,486.66 and 722,665.18
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Solution
The fourth proportional to 1,206,110.41, 1,664,486.66 and 722,665.18 is: 997,310.47
Step by Step Solution
- Step 1: Write the proportion equation
1,206,110.41 : 1,664,486.66 = 722,665.18 : x - Step 2: Convert to fraction form
1,206,110.41/1,664,486.66 = 722,665.18/x - Step 3: Cross multiply
1,206,110.41x = 1,664,486.66 × 722,665.18 - Step 4: Simplify right side
1,206,110.41x = 1,202,866,548,046.95 - Step 5: Solve for x
x = 1,202,866,548,046.95/1,206,110.41 - Step 6: Final answer
x = 997,310.47
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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.