Finding the Fourth Proportional to 1,088,509.62, 1,632,912.26 and 378,445.80
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Solution
The fourth proportional to 1,088,509.62, 1,632,912.26 and 378,445.80 is: 567,720.09
Step by Step Solution
- Step 1: Write the proportion equation
1,088,509.62 : 1,632,912.26 = 378,445.80 : x - Step 2: Convert to fraction form
1,088,509.62/1,632,912.26 = 378,445.80/x - Step 3: Cross multiply
1,088,509.62x = 1,632,912.26 × 378,445.80 - Step 4: Simplify right side
1,088,509.62x = 617,968,784,673.28 - Step 5: Solve for x
x = 617,968,784,673.28/1,088,509.62 - Step 6: Final answer
x = 567,720.09
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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.