Finding the Fourth Proportional to 1,132,578.37, 1,699,161.63 and 422,611.75
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Solution
The fourth proportional to 1,132,578.37, 1,699,161.63 and 422,611.75 is: 634,027.36
Step by Step Solution
- Step 1: Write the proportion equation
1,132,578.37 : 1,699,161.63 = 422,611.75 : x - Step 2: Convert to fraction form
1,132,578.37/1,699,161.63 = 422,611.75/x - Step 3: Cross multiply
1,132,578.37x = 1,699,161.63 × 422,611.75 - Step 4: Simplify right side
1,132,578.37x = 718,085,669,987.15 - Step 5: Solve for x
x = 718,085,669,987.15/1,132,578.37 - Step 6: Final answer
x = 634,027.36
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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.