Finding the Fourth Proportional to 1,273,170.56, 1,756,544.85 and 721,827.08
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Solution
The fourth proportional to 1,273,170.56, 1,756,544.85 and 721,827.08 is: 995,877.28
Step by Step Solution
- Step 1: Write the proportion equation
1,273,170.56 : 1,756,544.85 = 721,827.08 : x - Step 2: Convert to fraction form
1,273,170.56/1,756,544.85 = 721,827.08/x - Step 3: Cross multiply
1,273,170.56x = 1,756,544.85 × 721,827.08 - Step 4: Simplify right side
1,273,170.56x = 1,267,921,639,964.54 - Step 5: Solve for x
x = 1,267,921,639,964.54/1,273,170.56 - Step 6: Final answer
x = 995,877.28
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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.