Finding the Fourth Proportional to 1,230,942.72, 1,847,221.41 and 432,203.70
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Solution
The fourth proportional to 1,230,942.72, 1,847,221.41 and 432,203.70 is: 648,589.02
Step by Step Solution
- Step 1: Write the proportion equation
1,230,942.72 : 1,847,221.41 = 432,203.70 : x - Step 2: Convert to fraction form
1,230,942.72/1,847,221.41 = 432,203.70/x - Step 3: Cross multiply
1,230,942.72x = 1,847,221.41 × 432,203.70 - Step 4: Simplify right side
1,230,942.72x = 798,375,928,121.22 - Step 5: Solve for x
x = 798,375,928,121.22/1,230,942.72 - Step 6: Final answer
x = 648,589.02
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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.