Finding the Fourth Proportional to 1,208,450.19, 1,667,627.94 and 664,585.97
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Solution
The fourth proportional to 1,208,450.19, 1,667,627.94 and 664,585.97 is: 917,110.31
Step by Step Solution
- Step 1: Write the proportion equation
1,208,450.19 : 1,667,627.94 = 664,585.97 : x - Step 2: Convert to fraction form
1,208,450.19/1,667,627.94 = 664,585.97/x - Step 3: Cross multiply
1,208,450.19x = 1,667,627.94 × 664,585.97 - Step 4: Simplify right side
1,208,450.19x = 1,108,282,123,765.86 - Step 5: Solve for x
x = 1,108,282,123,765.86/1,208,450.19 - Step 6: Final answer
x = 917,110.31
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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.