Finding the Fourth Proportional to 1,122,229.26, 1,548,676.36 and 612,932.84
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Solution
The fourth proportional to 1,122,229.26, 1,548,676.36 and 612,932.84 is: 845,847.31
Step by Step Solution
- Step 1: Write the proportion equation
1,122,229.26 : 1,548,676.36 = 612,932.84 : x - Step 2: Convert to fraction form
1,122,229.26/1,548,676.36 = 612,932.84/x - Step 3: Cross multiply
1,122,229.26x = 1,548,676.36 × 612,932.84 - Step 4: Simplify right side
1,122,229.26x = 949,234,599,575.66 - Step 5: Solve for x
x = 949,234,599,575.66/1,122,229.26 - Step 6: Final answer
x = 845,847.31
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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.