Finding the Fourth Proportional to 1,178,166.20, 1,767,249.30 and 579,219.80
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Solution
The fourth proportional to 1,178,166.20, 1,767,249.30 and 579,219.80 is: 868,829.70
Step by Step Solution
- Step 1: Write the proportion equation
1,178,166.20 : 1,767,249.30 = 579,219.80 : x - Step 2: Convert to fraction form
1,178,166.20/1,767,249.30 = 579,219.80/x - Step 3: Cross multiply
1,178,166.20x = 1,767,249.30 × 579,219.80 - Step 4: Simplify right side
1,178,166.20x = 1,023,625,786,096.14 - Step 5: Solve for x
x = 1,023,625,786,096.14/1,178,166.20 - Step 6: Final answer
x = 868,829.70
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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.