Finding the Fourth Proportional to 1,083,249.60, 1,497,738.08 and 948,728
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Solution
The fourth proportional to 1,083,249.60, 1,497,738.08 and 948,728 is: 1,311,743.90
Step by Step Solution
- Step 1: Write the proportion equation
1,083,249.60 : 1,497,738.08 = 948,728 : x - Step 2: Convert to fraction form
1,083,249.60/1,497,738.08 = 948,728/x - Step 3: Cross multiply
1,083,249.60x = 1,497,738.08 × 948,728 - Step 4: Simplify right side
1,083,249.60x = 1,420,946,053,162.24 - Step 5: Solve for x
x = 1,420,946,053,162.24/1,083,249.60 - Step 6: Final answer
x = 1,311,743.90
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1.5x scale
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.