Finding the Fourth Proportional to 1,250,143.09, 1,725,205.74 and 677,183.26
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Solution
The fourth proportional to 1,250,143.09, 1,725,205.74 and 677,183.26 is: 934,517.38
Step by Step Solution
- Step 1: Write the proportion equation
1,250,143.09 : 1,725,205.74 = 677,183.26 : x - Step 2: Convert to fraction form
1,250,143.09/1,725,205.74 = 677,183.26/x - Step 3: Cross multiply
1,250,143.09x = 1,725,205.74 × 677,183.26 - Step 4: Simplify right side
1,250,143.09x = 1,168,280,447,183.91 - Step 5: Solve for x
x = 1,168,280,447,183.91/1,250,143.09 - Step 6: Final answer
x = 934,517.38
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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.