Finding the Fourth Proportional to 1,347,081.36, 1,858,963.14 and 743,469.36
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Solution
The fourth proportional to 1,347,081.36, 1,858,963.14 and 743,469.36 is: 1,025,982.67
Step by Step Solution
- Step 1: Write the proportion equation
1,347,081.36 : 1,858,963.14 = 743,469.36 : x - Step 2: Convert to fraction form
1,347,081.36/1,858,963.14 = 743,469.36/x - Step 3: Cross multiply
1,347,081.36x = 1,858,963.14 × 743,469.36 - Step 4: Simplify right side
1,347,081.36x = 1,382,082,135,959.39 - Step 5: Solve for x
x = 1,382,082,135,959.39/1,347,081.36 - Step 6: Final answer
x = 1,025,982.67
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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.