Finding the Fourth Proportional to 1,293,504.26, 1,772,108.88 and 1,245,020.29
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Solution
The fourth proportional to 1,293,504.26, 1,772,108.88 and 1,245,020.29 is: 1,705,685.53
Step by Step Solution
- Step 1: Write the proportion equation
1,293,504.26 : 1,772,108.88 = 1,245,020.29 : x - Step 2: Convert to fraction form
1,293,504.26/1,772,108.88 = 1,245,020.29/x - Step 3: Cross multiply
1,293,504.26x = 1,772,108.88 × 1,245,020.29 - Step 4: Simplify right side
1,293,504.26x = 2,206,311,505,464.07 - Step 5: Solve for x
x = 2,206,311,505,464.07/1,293,504.26 - Step 6: Final answer
x = 1,705,685.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.