Finding the Fourth Proportional to 1,170,559.19, 1,755,979.43 and 412,243.98
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Solution
The fourth proportional to 1,170,559.19, 1,755,979.43 and 412,243.98 is: 618,415.50
Step by Step Solution
- Step 1: Write the proportion equation
1,170,559.19 : 1,755,979.43 = 412,243.98 : x - Step 2: Convert to fraction form
1,170,559.19/1,755,979.43 = 412,243.98/x - Step 3: Cross multiply
1,170,559.19x = 1,755,979.43 × 412,243.98 - Step 4: Simplify right side
1,170,559.19x = 723,891,946,960.11 - Step 5: Solve for x
x = 723,891,946,960.11/1,170,559.19 - Step 6: Final answer
x = 618,415.50
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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.