Finding the Fourth Proportional to 1,310,737.28, 1,966,175.96 and 412,249.05
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Solution
The fourth proportional to 1,310,737.28, 1,966,175.96 and 412,249.05 is: 618,395.60
Step by Step Solution
- Step 1: Write the proportion equation
1,310,737.28 : 1,966,175.96 = 412,249.05 : x - Step 2: Convert to fraction form
1,310,737.28/1,966,175.96 = 412,249.05/x - Step 3: Cross multiply
1,310,737.28x = 1,966,175.96 × 412,249.05 - Step 4: Simplify right side
1,310,737.28x = 810,554,169,581.59 - Step 5: Solve for x
x = 810,554,169,581.59/1,310,737.28 - Step 6: Final answer
x = 618,395.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.