Finding the Fourth Proportional to 1,120,194.35, 1,679,738.56 and 488,834.99
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Solution
The fourth proportional to 1,120,194.35, 1,679,738.56 and 488,834.99 is: 733,011.17
Step by Step Solution
- Step 1: Write the proportion equation
1,120,194.35 : 1,679,738.56 = 488,834.99 : x - Step 2: Convert to fraction form
1,120,194.35/1,679,738.56 = 488,834.99/x - Step 3: Cross multiply
1,120,194.35x = 1,679,738.56 × 488,834.99 - Step 4: Simplify right side
1,120,194.35x = 821,114,971,337.35 - Step 5: Solve for x
x = 821,114,971,337.35/1,120,194.35 - Step 6: Final answer
x = 733,011.17
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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.