Finding the Fourth Proportional to 1,136,735.70, 1,568,695.40 and 627,438.21
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Solution
The fourth proportional to 1,136,735.70, 1,568,695.40 and 627,438.21 is: 865,864.80
Step by Step Solution
- Step 1: Write the proportion equation
1,136,735.70 : 1,568,695.40 = 627,438.21 : x - Step 2: Convert to fraction form
1,136,735.70/1,568,695.40 = 627,438.21/x - Step 3: Cross multiply
1,136,735.70x = 1,568,695.40 × 627,438.21 - Step 4: Simplify right side
1,136,735.70x = 984,259,433,811.23 - Step 5: Solve for x
x = 984,259,433,811.23/1,136,735.70 - Step 6: Final answer
x = 865,864.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.