Finding the Fourth Proportional to 1,199,198.80, 1,654,866.12 and 655,310.80
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Solution
The fourth proportional to 1,199,198.80, 1,654,866.12 and 655,310.80 is: 904,313.48
Step by Step Solution
- Step 1: Write the proportion equation
1,199,198.80 : 1,654,866.12 = 655,310.80 : x - Step 2: Convert to fraction form
1,199,198.80/1,654,866.12 = 655,310.80/x - Step 3: Cross multiply
1,199,198.80x = 1,654,866.12 × 655,310.80 - Step 4: Simplify right side
1,199,198.80x = 1,084,451,640,990.10 - Step 5: Solve for x
x = 1,084,451,640,990.10/1,199,198.80 - Step 6: Final answer
x = 904,313.48
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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.