Finding the Fourth Proportional to 1,269,270.68, 1,904,087.09 and 416,408.99
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Solution
The fourth proportional to 1,269,270.68, 1,904,087.09 and 416,408.99 is: 624,672.89
Step by Step Solution
- Step 1: Write the proportion equation
1,269,270.68 : 1,904,087.09 = 416,408.99 : x - Step 2: Convert to fraction form
1,269,270.68/1,904,087.09 = 416,408.99/x - Step 3: Cross multiply
1,269,270.68x = 1,904,087.09 × 416,408.99 - Step 4: Simplify right side
1,269,270.68x = 792,878,987,820.18 - Step 5: Solve for x
x = 792,878,987,820.18/1,269,270.68 - Step 6: Final answer
x = 624,672.89
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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.