Finding the Fourth Proportional to 1,203,441.23, 1,660,673.58 and 659,538.42
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Solution
The fourth proportional to 1,203,441.23, 1,660,673.58 and 659,538.42 is: 910,121.73
Step by Step Solution
- Step 1: Write the proportion equation
1,203,441.23 : 1,660,673.58 = 659,538.42 : x - Step 2: Convert to fraction form
1,203,441.23/1,660,673.58 = 659,538.42/x - Step 3: Cross multiply
1,203,441.23x = 1,660,673.58 × 659,538.42 - Step 4: Simplify right side
1,203,441.23x = 1,095,278,020,388.15 - Step 5: Solve for x
x = 1,095,278,020,388.15/1,203,441.23 - Step 6: Final answer
x = 910,121.73
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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.