Finding the Fourth Proportional to 1,288,676.01, 1,778,268.78 and 744,846.99
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Solution
The fourth proportional to 1,288,676.01, 1,778,268.78 and 744,846.99 is: 1,027,828.67
Step by Step Solution
- Step 1: Write the proportion equation
1,288,676.01 : 1,778,268.78 = 744,846.99 : x - Step 2: Convert to fraction form
1,288,676.01/1,778,268.78 = 744,846.99/x - Step 3: Cross multiply
1,288,676.01x = 1,778,268.78 × 744,846.99 - Step 4: Simplify right side
1,288,676.01x = 1,324,538,148,193.97 - Step 5: Solve for x
x = 1,324,538,148,193.97/1,288,676.01 - Step 6: Final answer
x = 1,027,828.67
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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.