Finding the Fourth Proportional to 1,267,620.26, 1,749,329.73 and 694,648.13
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Solution
The fourth proportional to 1,267,620.26, 1,749,329.73 and 694,648.13 is: 958,621.96
Step by Step Solution
- Step 1: Write the proportion equation
1,267,620.26 : 1,749,329.73 = 694,648.13 : x - Step 2: Convert to fraction form
1,267,620.26/1,749,329.73 = 694,648.13/x - Step 3: Cross multiply
1,267,620.26x = 1,749,329.73 × 694,648.13 - Step 4: Simplify right side
1,267,620.26x = 1,215,168,616,951.26 - Step 5: Solve for x
x = 1,215,168,616,951.26/1,267,620.26 - Step 6: Final answer
x = 958,621.96
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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.