Finding the Fourth Proportional to 1,285,212.36, 1,928,347.88 and 565,183.92
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Solution
The fourth proportional to 1,285,212.36, 1,928,347.88 and 565,183.92 is: 848,008.66
Step by Step Solution
- Step 1: Write the proportion equation
1,285,212.36 : 1,928,347.88 = 565,183.92 : x - Step 2: Convert to fraction form
1,285,212.36/1,928,347.88 = 565,183.92/x - Step 3: Cross multiply
1,285,212.36x = 1,928,347.88 × 565,183.92 - Step 4: Simplify right side
1,285,212.36x = 1,089,871,213,942.09 - Step 5: Solve for x
x = 1,089,871,213,942.09/1,285,212.36 - Step 6: Final answer
x = 848,008.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.