Finding the Fourth Proportional to 1,122,193.43, 1,548,624.47 and 612,895.80
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Solution
The fourth proportional to 1,122,193.43, 1,548,624.47 and 612,895.80 is: 845,794.86
Step by Step Solution
- Step 1: Write the proportion equation
1,122,193.43 : 1,548,624.47 = 612,895.80 : x - Step 2: Convert to fraction form
1,122,193.43/1,548,624.47 = 612,895.80/x - Step 3: Cross multiply
1,122,193.43x = 1,548,624.47 × 612,895.80 - Step 4: Simplify right side
1,122,193.43x = 949,145,430,375.75 - Step 5: Solve for x
x = 949,145,430,375.75/1,122,193.43 - Step 6: Final answer
x = 845,794.86
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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.