Finding the Fourth Proportional to 1,040,195.20, 1,558,543.20 and 889,729.60
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Solution
The fourth proportional to 1,040,195.20, 1,558,543.20 and 889,729.60 is: 1,333,097.88
Step by Step Solution
- Step 1: Write the proportion equation
1,040,195.20 : 1,558,543.20 = 889,729.60 : x - Step 2: Convert to fraction form
1,040,195.20/1,558,543.20 = 889,729.60/x - Step 3: Cross multiply
1,040,195.20x = 1,558,543.20 × 889,729.60 - Step 4: Simplify right side
1,040,195.20x = 1,386,682,017,918.72 - Step 5: Solve for x
x = 1,386,682,017,918.72/1,040,195.20 - Step 6: Final answer
x = 1,333,097.88
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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.