Finding the Fourth Proportional to 1,226,456.40, 1,839,544.43 and 327,968.19
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Solution
The fourth proportional to 1,226,456.40, 1,839,544.43 and 327,968.19 is: 491,914.80
Step by Step Solution
- Step 1: Write the proportion equation
1,226,456.40 : 1,839,544.43 = 327,968.19 : x - Step 2: Convert to fraction form
1,226,456.40/1,839,544.43 = 327,968.19/x - Step 3: Cross multiply
1,226,456.40x = 1,839,544.43 × 327,968.19 - Step 4: Simplify right side
1,226,456.40x = 603,312,055,491.84 - Step 5: Solve for x
x = 603,312,055,491.84/1,226,456.40 - Step 6: Final answer
x = 491,914.80
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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.