Finding the Fourth Proportional to 1,324,807.70, 1,987,262.18 and 414,074.03
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Solution
The fourth proportional to 1,324,807.70, 1,987,262.18 and 414,074.03 is: 621,126.86
Step by Step Solution
- Step 1: Write the proportion equation
1,324,807.70 : 1,987,262.18 = 414,074.03 : x - Step 2: Convert to fraction form
1,324,807.70/1,987,262.18 = 414,074.03/x - Step 3: Cross multiply
1,324,807.70x = 1,987,262.18 × 414,074.03 - Step 4: Simplify right side
1,324,807.70x = 822,873,647,532.50 - Step 5: Solve for x
x = 822,873,647,532.50/1,324,807.70 - Step 6: Final answer
x = 621,126.86
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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.