Finding the Fourth Proportional to 1,255,821.34, 1,883,797.35 and 414,438.70
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Solution
The fourth proportional to 1,255,821.34, 1,883,797.35 and 414,438.70 is: 621,679.61
Step by Step Solution
- Step 1: Write the proportion equation
1,255,821.34 : 1,883,797.35 = 414,438.70 : x - Step 2: Convert to fraction form
1,255,821.34/1,883,797.35 = 414,438.70/x - Step 3: Cross multiply
1,255,821.34x = 1,883,797.35 × 414,438.70 - Step 4: Simplify right side
1,255,821.34x = 780,718,524,797.45 - Step 5: Solve for x
x = 780,718,524,797.45/1,255,821.34 - Step 6: Final answer
x = 621,679.61
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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.