Finding the Fourth Proportional to 1,149,193.12, 1,723,806.60 and 439,258.84
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Solution
The fourth proportional to 1,149,193.12, 1,723,806.60 and 439,258.84 is: 658,894.73
Step by Step Solution
- Step 1: Write the proportion equation
1,149,193.12 : 1,723,806.60 = 439,258.84 : x - Step 2: Convert to fraction form
1,149,193.12/1,723,806.60 = 439,258.84/x - Step 3: Cross multiply
1,149,193.12x = 1,723,806.60 × 439,258.84 - Step 4: Simplify right side
1,149,193.12x = 757,197,287,500.34 - Step 5: Solve for x
x = 757,197,287,500.34/1,149,193.12 - Step 6: Final answer
x = 658,894.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.