Finding the Fourth Proportional to 1,206,982.80, 1,811,640.60 and 734,590.80
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Solution
The fourth proportional to 1,206,982.80, 1,811,640.60 and 734,590.80 is: 1,102,596.09
Step by Step Solution
- Step 1: Write the proportion equation
1,206,982.80 : 1,811,640.60 = 734,590.80 : x - Step 2: Convert to fraction form
1,206,982.80/1,811,640.60 = 734,590.80/x - Step 3: Cross multiply
1,206,982.80x = 1,811,640.60 × 734,590.80 - Step 4: Simplify right side
1,206,982.80x = 1,330,814,517,666.48 - Step 5: Solve for x
x = 1,330,814,517,666.48/1,206,982.80 - Step 6: Final answer
x = 1,102,596.09
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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.