Finding the Fourth Proportional to 1,265,115.76, 1,746,139.98 and 873,198.97
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Solution
The fourth proportional to 1,265,115.76, 1,746,139.98 and 873,198.97 is: 1,205,208.00
Step by Step Solution
- Step 1: Write the proportion equation
1,265,115.76 : 1,746,139.98 = 873,198.97 : x - Step 2: Convert to fraction form
1,265,115.76/1,746,139.98 = 873,198.97/x - Step 3: Cross multiply
1,265,115.76x = 1,746,139.98 × 873,198.97 - Step 4: Simplify right side
1,265,115.76x = 1,524,727,632,011.82 - Step 5: Solve for x
x = 1,524,727,632,011.82/1,265,115.76 - Step 6: Final answer
x = 1,205,208.00
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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.