Finding the Fourth Proportional to 1,338,429.05, 2,005,207.80 and 1,194,939.98
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Solution
The fourth proportional to 1,338,429.05, 2,005,207.80 and 1,194,939.98 is: 1,790,235.33
Step by Step Solution
- Step 1: Write the proportion equation
1,338,429.05 : 2,005,207.80 = 1,194,939.98 : x - Step 2: Convert to fraction form
1,338,429.05/2,005,207.80 = 1,194,939.98/x - Step 3: Cross multiply
1,338,429.05x = 2,005,207.80 × 1,194,939.98 - Step 4: Simplify right side
1,338,429.05x = 2,396,102,962,161.57 - Step 5: Solve for x
x = 2,396,102,962,161.57/1,338,429.05 - Step 6: Final answer
x = 1,790,235.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.