Finding the Fourth Proportional to 1,310,739.44, 1,809,115.44 and 857,768
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Solution
The fourth proportional to 1,310,739.44, 1,809,115.44 and 857,768 is: 1,183,912.90
Step by Step Solution
- Step 1: Write the proportion equation
1,310,739.44 : 1,809,115.44 = 857,768 : x - Step 2: Convert to fraction form
1,310,739.44/1,809,115.44 = 857,768/x - Step 3: Cross multiply
1,310,739.44x = 1,809,115.44 × 857,768 - Step 4: Simplify right side
1,310,739.44x = 1,551,801,332,737.92 - Step 5: Solve for x
x = 1,551,801,332,737.92/1,310,739.44 - Step 6: Final answer
x = 1,183,912.90
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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.