Finding the Fourth Proportional to 1,189,720.08, 1,782,414.96 and 1,062,174.24
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Solution
The fourth proportional to 1,189,720.08, 1,782,414.96 and 1,062,174.24 is: 1,591,328.32
Step by Step Solution
- Step 1: Write the proportion equation
1,189,720.08 : 1,782,414.96 = 1,062,174.24 : x - Step 2: Convert to fraction form
1,189,720.08/1,782,414.96 = 1,062,174.24/x - Step 3: Cross multiply
1,189,720.08x = 1,782,414.96 × 1,062,174.24 - Step 4: Simplify right side
1,189,720.08x = 1,893,235,255,502.63 - Step 5: Solve for x
x = 1,893,235,255,502.63/1,189,720.08 - Step 6: Final answer
x = 1,591,328.32
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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.