Finding the Fourth Proportional to 1,021,722.85, 1,532,770.17 and 422,358.49
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Solution
The fourth proportional to 1,021,722.85, 1,532,770.17 and 422,358.49 is: 633,614.58
Step by Step Solution
- Step 1: Write the proportion equation
1,021,722.85 : 1,532,770.17 = 422,358.49 : x - Step 2: Convert to fraction form
1,021,722.85/1,532,770.17 = 422,358.49/x - Step 3: Cross multiply
1,021,722.85x = 1,532,770.17 × 422,358.49 - Step 4: Simplify right side
1,021,722.85x = 647,378,494,518.24 - Step 5: Solve for x
x = 647,378,494,518.24/1,021,722.85 - Step 6: Final answer
x = 633,614.58
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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.