Finding the Fourth Proportional to 1,284,135.42, 1,926,330.57 and 474,732
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Solution
The fourth proportional to 1,284,135.42, 1,926,330.57 and 474,732 is: 712,145.11
Step by Step Solution
- Step 1: Write the proportion equation
1,284,135.42 : 1,926,330.57 = 474,732 : x - Step 2: Convert to fraction form
1,284,135.42/1,926,330.57 = 474,732/x - Step 3: Cross multiply
1,284,135.42x = 1,926,330.57 × 474,732 - Step 4: Simplify right side
1,284,135.42x = 914,490,764,157.24 - Step 5: Solve for x
x = 914,490,764,157.24/1,284,135.42 - Step 6: Final answer
x = 712,145.11
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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.