Finding the Fourth Proportional to 1,267,244.88, 1,900,469.38 and 414,121.99
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Solution
The fourth proportional to 1,267,244.88, 1,900,469.38 and 414,121.99 is: 621,052.94
Step by Step Solution
- Step 1: Write the proportion equation
1,267,244.88 : 1,900,469.38 = 414,121.99 : x - Step 2: Convert to fraction form
1,267,244.88/1,900,469.38 = 414,121.99/x - Step 3: Cross multiply
1,267,244.88x = 1,900,469.38 × 414,121.99 - Step 4: Simplify right side
1,267,244.88x = 787,026,161,579.67 - Step 5: Solve for x
x = 787,026,161,579.67/1,267,244.88 - Step 6: Final answer
x = 621,052.94
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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.