Finding the Fourth Proportional to 1,235,197.20, 1,703,218.52 and 804,678.96
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Solution
The fourth proportional to 1,235,197.20, 1,703,218.52 and 804,678.96 is: 1,109,575.14
Step by Step Solution
- Step 1: Write the proportion equation
1,235,197.20 : 1,703,218.52 = 804,678.96 : x - Step 2: Convert to fraction form
1,235,197.20/1,703,218.52 = 804,678.96/x - Step 3: Cross multiply
1,235,197.20x = 1,703,218.52 × 804,678.96 - Step 4: Simplify right side
1,235,197.20x = 1,370,544,107,326.34 - Step 5: Solve for x
x = 1,370,544,107,326.34/1,235,197.20 - Step 6: Final answer
x = 1,109,575.14
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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.