Finding the Fourth Proportional to 1,239,336.06, 1,858,965.21 and 681,874.62
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Solution
The fourth proportional to 1,239,336.06, 1,858,965.21 and 681,874.62 is: 1,022,790.54
Step by Step Solution
- Step 1: Write the proportion equation
1,239,336.06 : 1,858,965.21 = 681,874.62 : x - Step 2: Convert to fraction form
1,239,336.06/1,858,965.21 = 681,874.62/x - Step 3: Cross multiply
1,239,336.06x = 1,858,965.21 × 681,874.62 - Step 4: Simplify right side
1,239,336.06x = 1,267,581,196,161.97 - Step 5: Solve for x
x = 1,267,581,196,161.97/1,239,336.06 - Step 6: Final answer
x = 1,022,790.54
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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.