Finding the Fourth Proportional to 1,136,896.12, 1,705,512.66 and 378,489.88
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Solution
The fourth proportional to 1,136,896.12, 1,705,512.66 and 378,489.88 is: 567,790.91
Step by Step Solution
- Step 1: Write the proportion equation
1,136,896.12 : 1,705,512.66 = 378,489.88 : x - Step 2: Convert to fraction form
1,136,896.12/1,705,512.66 = 378,489.88/x - Step 3: Cross multiply
1,136,896.12x = 1,705,512.66 × 378,489.88 - Step 4: Simplify right side
1,136,896.12x = 645,519,282,021.88 - Step 5: Solve for x
x = 645,519,282,021.88/1,136,896.12 - Step 6: Final answer
x = 567,790.91
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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.