Finding the Fourth Proportional to 1,149,738.08, 1,724,873.90 and 391,586.06
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Solution
The fourth proportional to 1,149,738.08, 1,724,873.90 and 391,586.06 is: 587,469.95
Step by Step Solution
- Step 1: Write the proportion equation
1,149,738.08 : 1,724,873.90 = 391,586.06 : x - Step 2: Convert to fraction form
1,149,738.08/1,724,873.90 = 391,586.06/x - Step 3: Cross multiply
1,149,738.08x = 1,724,873.90 × 391,586.06 - Step 4: Simplify right side
1,149,738.08x = 675,436,576,852.09 - Step 5: Solve for x
x = 675,436,576,852.09/1,149,738.08 - Step 6: Final answer
x = 587,469.95
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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.