Finding the Fourth Proportional to 1,189,452.84, 1,784,163.60 and 290,902.02
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Solution
The fourth proportional to 1,189,452.84, 1,784,163.60 and 290,902.02 is: 436,349.20
Step by Step Solution
- Step 1: Write the proportion equation
1,189,452.84 : 1,784,163.60 = 290,902.02 : x - Step 2: Convert to fraction form
1,189,452.84/1,784,163.60 = 290,902.02/x - Step 3: Cross multiply
1,189,452.84x = 1,784,163.60 × 290,902.02 - Step 4: Simplify right side
1,189,452.84x = 519,016,795,250.47 - Step 5: Solve for x
x = 519,016,795,250.47/1,189,452.84 - Step 6: Final answer
x = 436,349.20
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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.