Finding the Fourth Proportional to 1,448,205.57, 1,998,617.49 and 803,627.28
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Solution
The fourth proportional to 1,448,205.57, 1,998,617.49 and 803,627.28 is: 1,109,057.70
Step by Step Solution
- Step 1: Write the proportion equation
1,448,205.57 : 1,998,617.49 = 803,627.28 : x - Step 2: Convert to fraction form
1,448,205.57/1,998,617.49 = 803,627.28/x - Step 3: Cross multiply
1,448,205.57x = 1,998,617.49 × 803,627.28 - Step 4: Simplify right side
1,448,205.57x = 1,606,143,537,249.13 - Step 5: Solve for x
x = 1,606,143,537,249.13/1,448,205.57 - Step 6: Final answer
x = 1,109,057.70
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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.