Finding the Fourth Proportional to 1,198,481.32, 1,653,894.37 and 654,617.44
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Solution
The fourth proportional to 1,198,481.32, 1,653,894.37 and 654,617.44 is: 903,366.69
Step by Step Solution
- Step 1: Write the proportion equation
1,198,481.32 : 1,653,894.37 = 654,617.44 : x - Step 2: Convert to fraction form
1,198,481.32/1,653,894.37 = 654,617.44/x - Step 3: Cross multiply
1,198,481.32x = 1,653,894.37 × 654,617.44 - Step 4: Simplify right side
1,198,481.32x = 1,082,668,098,519.81 - Step 5: Solve for x
x = 1,082,668,098,519.81/1,198,481.32 - Step 6: Final answer
x = 903,366.69
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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.