Finding the Fourth Proportional to 1,476,272.20, 2,212,658.70 and 765,934.60
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Solution
The fourth proportional to 1,476,272.20, 2,212,658.70 and 765,934.60 is: 1,147,994.15
Step by Step Solution
- Step 1: Write the proportion equation
1,476,272.20 : 2,212,658.70 = 765,934.60 : x - Step 2: Convert to fraction form
1,476,272.20/2,212,658.70 = 765,934.60/x - Step 3: Cross multiply
1,476,272.20x = 2,212,658.70 × 765,934.60 - Step 4: Simplify right side
1,476,272.20x = 1,694,751,856,321.02 - Step 5: Solve for x
x = 1,694,751,856,321.02/1,476,272.20 - Step 6: Final answer
x = 1,147,994.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.