Finding the Fourth Proportional to 1,152,704.76, 1,729,057.12 and 394,556.08
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Solution
The fourth proportional to 1,152,704.76, 1,729,057.12 and 394,556.08 is: 591,834.11
Step by Step Solution
- Step 1: Write the proportion equation
1,152,704.76 : 1,729,057.12 = 394,556.08 : x - Step 2: Convert to fraction form
1,152,704.76/1,729,057.12 = 394,556.08/x - Step 3: Cross multiply
1,152,704.76x = 1,729,057.12 × 394,556.08 - Step 4: Simplify right side
1,152,704.76x = 682,209,999,363.29 - Step 5: Solve for x
x = 682,209,999,363.29/1,152,704.76 - Step 6: Final answer
x = 591,834.11
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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.