Finding the Fourth Proportional to 1,320,107.48, 1,979,843.94 and 609,452.96
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Solution
The fourth proportional to 1,320,107.48, 1,979,843.94 and 609,452.96 is: 914,032.96
Step by Step Solution
- Step 1: Write the proportion equation
1,320,107.48 : 1,979,843.94 = 609,452.96 : x - Step 2: Convert to fraction form
1,320,107.48/1,979,843.94 = 609,452.96/x - Step 3: Cross multiply
1,320,107.48x = 1,979,843.94 × 609,452.96 - Step 4: Simplify right side
1,320,107.48x = 1,206,621,749,571.06 - Step 5: Solve for x
x = 1,206,621,749,571.06/1,320,107.48 - Step 6: Final answer
x = 914,032.96
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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.