Finding the Fourth Proportional to 1,040,029.44, 1,560,228.48 and 391,591.68
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Solution
The fourth proportional to 1,040,029.44, 1,560,228.48 and 391,591.68 is: 587,456.92
Step by Step Solution
- Step 1: Write the proportion equation
1,040,029.44 : 1,560,228.48 = 391,591.68 : x - Step 2: Convert to fraction form
1,040,029.44/1,560,228.48 = 391,591.68/x - Step 3: Cross multiply
1,040,029.44x = 1,560,228.48 × 391,591.68 - Step 4: Simplify right side
1,040,029.44x = 610,972,491,667.05 - Step 5: Solve for x
x = 610,972,491,667.05/1,040,029.44 - Step 6: Final answer
x = 587,456.92
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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.