Finding the Fourth Proportional to 1,129,122.75, 1,694,016.84 and 454,857.09
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Solution
The fourth proportional to 1,129,122.75, 1,694,016.84 and 454,857.09 is: 682,419.67
Step by Step Solution
- Step 1: Write the proportion equation
1,129,122.75 : 1,694,016.84 = 454,857.09 : x - Step 2: Convert to fraction form
1,129,122.75/1,694,016.84 = 454,857.09/x - Step 3: Cross multiply
1,129,122.75x = 1,694,016.84 × 454,857.09 - Step 4: Simplify right side
1,129,122.75x = 770,535,570,253.40 - Step 5: Solve for x
x = 770,535,570,253.40/1,129,122.75 - Step 6: Final answer
x = 682,419.67
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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.