Finding the Fourth Proportional to 1,342,879.28, 2,014,688.29 and 396,249.99
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Solution
The fourth proportional to 1,342,879.28, 2,014,688.29 and 396,249.99 is: 594,483.98
Step by Step Solution
- Step 1: Write the proportion equation
1,342,879.28 : 2,014,688.29 = 396,249.99 : x - Step 2: Convert to fraction form
1,342,879.28/2,014,688.29 = 396,249.99/x - Step 3: Cross multiply
1,342,879.28x = 2,014,688.29 × 396,249.99 - Step 4: Simplify right side
1,342,879.28x = 798,320,214,765.62 - Step 5: Solve for x
x = 798,320,214,765.62/1,342,879.28 - Step 6: Final answer
x = 594,483.98
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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.