Finding the Fourth Proportional to 1,126,113.36, 1,554,036.84 and 616,824.24
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Solution
The fourth proportional to 1,126,113.36, 1,554,036.84 and 616,824.24 is: 851,217.67
Step by Step Solution
- Step 1: Write the proportion equation
1,126,113.36 : 1,554,036.84 = 616,824.24 : x - Step 2: Convert to fraction form
1,126,113.36/1,554,036.84 = 616,824.24/x - Step 3: Cross multiply
1,126,113.36x = 1,554,036.84 × 616,824.24 - Step 4: Simplify right side
1,126,113.36x = 958,567,592,765.00 - Step 5: Solve for x
x = 958,567,592,765.00/1,126,113.36 - Step 6: Final answer
x = 851,217.67
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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.