Finding the Fourth Proportional to 1,330,198.36, 1,835,673.73 and 718,351.09
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Solution
The fourth proportional to 1,330,198.36, 1,835,673.73 and 718,351.09 is: 991,324.50
Step by Step Solution
- Step 1: Write the proportion equation
1,330,198.36 : 1,835,673.73 = 718,351.09 : x - Step 2: Convert to fraction form
1,330,198.36/1,835,673.73 = 718,351.09/x - Step 3: Cross multiply
1,330,198.36x = 1,835,673.73 × 718,351.09 - Step 4: Simplify right side
1,330,198.36x = 1,318,658,224,829.87 - Step 5: Solve for x
x = 1,318,658,224,829.87/1,330,198.36 - Step 6: Final answer
x = 991,324.50
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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.