Finding the Fourth Proportional to 1,040,639.21, 1,560,976.10 and 366,728.66
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Solution
The fourth proportional to 1,040,639.21, 1,560,976.10 and 366,728.66 is: 550,099.08
Step by Step Solution
- Step 1: Write the proportion equation
1,040,639.21 : 1,560,976.10 = 366,728.66 : x - Step 2: Convert to fraction form
1,040,639.21/1,560,976.10 = 366,728.66/x - Step 3: Cross multiply
1,040,639.21x = 1,560,976.10 × 366,728.66 - Step 4: Simplify right side
1,040,639.21x = 572,454,673,445.03 - Step 5: Solve for x
x = 572,454,673,445.03/1,040,639.21 - Step 6: Final answer
x = 550,099.08
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1.5x scale
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.