Finding the Fourth Proportional to 1,205,912.72, 1,806,504.68 and 699,409.60
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Solution
The fourth proportional to 1,205,912.72, 1,806,504.68 and 699,409.60 is: 1,047,743.09
Step by Step Solution
- Step 1: Write the proportion equation
1,205,912.72 : 1,806,504.68 = 699,409.60 : x - Step 2: Convert to fraction form
1,205,912.72/1,806,504.68 = 699,409.60/x - Step 3: Cross multiply
1,205,912.72x = 1,806,504.68 × 699,409.60 - Step 4: Simplify right side
1,205,912.72x = 1,263,486,715,636.93 - Step 5: Solve for x
x = 1,263,486,715,636.93/1,205,912.72 - Step 6: Final answer
x = 1,047,743.09
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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.