Finding the Fourth Proportional to 1,204,511.44, 1,662,364.67 and 721,076.45
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Solution
The fourth proportional to 1,204,511.44, 1,662,364.67 and 721,076.45 is: 995,168.65
Step by Step Solution
- Step 1: Write the proportion equation
1,204,511.44 : 1,662,364.67 = 721,076.45 : x - Step 2: Convert to fraction form
1,204,511.44/1,662,364.67 = 721,076.45/x - Step 3: Cross multiply
1,204,511.44x = 1,662,364.67 × 721,076.45 - Step 4: Simplify right side
1,204,511.44x = 1,198,692,021,014.07 - Step 5: Solve for x
x = 1,198,692,021,014.07/1,204,511.44 - Step 6: Final answer
x = 995,168.65
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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.