Finding the Fourth Proportional to 1,331,062.68, 1,836,867.06 and 727,450.68
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Solution
The fourth proportional to 1,331,062.68, 1,836,867.06 and 727,450.68 is: 1,003,882.25
Step by Step Solution
- Step 1: Write the proportion equation
1,331,062.68 : 1,836,867.06 = 727,450.68 : x - Step 2: Convert to fraction form
1,331,062.68/1,836,867.06 = 727,450.68/x - Step 3: Cross multiply
1,331,062.68x = 1,836,867.06 × 727,450.68 - Step 4: Simplify right side
1,331,062.68x = 1,336,230,191,866.60 - Step 5: Solve for x
x = 1,336,230,191,866.60/1,331,062.68 - Step 6: Final answer
x = 1,003,882.25
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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.