Finding the Fourth Proportional to 1,126,173.92, 1,554,120.66 and 616,884.80
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Solution
The fourth proportional to 1,126,173.92, 1,554,120.66 and 616,884.80 is: 851,301.38
Step by Step Solution
- Step 1: Write the proportion equation
1,126,173.92 : 1,554,120.66 = 616,884.80 : x - Step 2: Convert to fraction form
1,126,173.92/1,554,120.66 = 616,884.80/x - Step 3: Cross multiply
1,126,173.92x = 1,554,120.66 × 616,884.80 - Step 4: Simplify right side
1,126,173.92x = 958,713,404,749.37 - Step 5: Solve for x
x = 958,713,404,749.37/1,126,173.92 - Step 6: Final answer
x = 851,301.38
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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.