Finding the Fourth Proportional to 1,080,495.26, 1,621,023.11 and 574,640.27
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Solution
The fourth proportional to 1,080,495.26, 1,621,023.11 and 574,640.27 is: 862,109.43
Step by Step Solution
- Step 1: Write the proportion equation
1,080,495.26 : 1,621,023.11 = 574,640.27 : x - Step 2: Convert to fraction form
1,080,495.26/1,621,023.11 = 574,640.27/x - Step 3: Cross multiply
1,080,495.26x = 1,621,023.11 × 574,640.27 - Step 4: Simplify right side
1,080,495.26x = 931,505,150,938.13 - Step 5: Solve for x
x = 931,505,150,938.13/1,080,495.26 - Step 6: Final answer
x = 862,109.43
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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.