Finding the Fourth Proportional to 1,065,922.43, 1,471,122.98 and 678,614.12
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Solution
The fourth proportional to 1,065,922.43, 1,471,122.98 and 678,614.12 is: 936,583.00
Step by Step Solution
- Step 1: Write the proportion equation
1,065,922.43 : 1,471,122.98 = 678,614.12 : x - Step 2: Convert to fraction form
1,065,922.43/1,471,122.98 = 678,614.12/x - Step 3: Cross multiply
1,065,922.43x = 1,471,122.98 × 678,614.12 - Step 4: Simplify right side
1,065,922.43x = 998,324,826,484.48 - Step 5: Solve for x
x = 998,324,826,484.48/1,065,922.43 - Step 6: Final answer
x = 936,583.00
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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.