Finding the Fourth Proportional to 1,040,280.44, 1,559,977.58 and 408,751.26
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Solution
The fourth proportional to 1,040,280.44, 1,559,977.58 and 408,751.26 is: 612,952.79
Step by Step Solution
- Step 1: Write the proportion equation
1,040,280.44 : 1,559,977.58 = 408,751.26 : x - Step 2: Convert to fraction form
1,040,280.44/1,559,977.58 = 408,751.26/x - Step 3: Cross multiply
1,040,280.44x = 1,559,977.58 × 408,751.26 - Step 4: Simplify right side
1,040,280.44x = 637,642,801,396.75 - Step 5: Solve for x
x = 637,642,801,396.75/1,040,280.44 - Step 6: Final answer
x = 612,952.79
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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.