Finding the Fourth Proportional to 1,351,262.22, 1,864,765.48 and 739,469.22
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Solution
The fourth proportional to 1,351,262.22, 1,864,765.48 and 739,469.22 is: 1,020,480.45
Step by Step Solution
- Step 1: Write the proportion equation
1,351,262.22 : 1,864,765.48 = 739,469.22 : x - Step 2: Convert to fraction form
1,351,262.22/1,864,765.48 = 739,469.22/x - Step 3: Cross multiply
1,351,262.22x = 1,864,765.48 × 739,469.22 - Step 4: Simplify right side
1,351,262.22x = 1,378,936,674,978.53 - Step 5: Solve for x
x = 1,378,936,674,978.53/1,351,262.22 - Step 6: Final answer
x = 1,020,480.45
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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.