Finding the Fourth Proportional to 1,040,197.12, 1,557,773.36 and 719,448.80
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Solution
The fourth proportional to 1,040,197.12, 1,557,773.36 and 719,448.80 is: 1,077,428.65
Step by Step Solution
- Step 1: Write the proportion equation
1,040,197.12 : 1,557,773.36 = 719,448.80 : x - Step 2: Convert to fraction form
1,040,197.12/1,557,773.36 = 719,448.80/x - Step 3: Cross multiply
1,040,197.12x = 1,557,773.36 × 719,448.80 - Step 4: Simplify right side
1,040,197.12x = 1,120,738,174,523.97 - Step 5: Solve for x
x = 1,120,738,174,523.97/1,040,197.12 - Step 6: Final answer
x = 1,077,428.65
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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.