Finding the Fourth Proportional to 1,331,059.68, 1,836,862.92 and 727,447.68
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Solution
The fourth proportional to 1,331,059.68, 1,836,862.92 and 727,447.68 is: 1,003,878.11
Step by Step Solution
- Step 1: Write the proportion equation
1,331,059.68 : 1,836,862.92 = 727,447.68 : x - Step 2: Convert to fraction form
1,331,059.68/1,836,862.92 = 727,447.68/x - Step 3: Cross multiply
1,331,059.68x = 1,836,862.92 × 727,447.68 - Step 4: Simplify right side
1,331,059.68x = 1,336,221,669,632.03 - Step 5: Solve for x
x = 1,336,221,669,632.03/1,331,059.68 - Step 6: Final answer
x = 1,003,878.11
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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.