Finding the Fourth Proportional to 1,074,942.13, 1,612,646.47 and 326,968.69
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Solution
The fourth proportional to 1,074,942.13, 1,612,646.47 and 326,968.69 is: 490,523.99
Step by Step Solution
- Step 1: Write the proportion equation
1,074,942.13 : 1,612,646.47 = 326,968.69 : x - Step 2: Convert to fraction form
1,074,942.13/1,612,646.47 = 326,968.69/x - Step 3: Cross multiply
1,074,942.13x = 1,612,646.47 × 326,968.69 - Step 4: Simplify right side
1,074,942.13x = 527,284,903,729.02 - Step 5: Solve for x
x = 527,284,903,729.02/1,074,942.13 - Step 6: Final answer
x = 490,523.99
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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.