Finding the Fourth Proportional to 1,177,121.46, 1,765,848.20 and 378,135.14
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Solution
The fourth proportional to 1,177,121.46, 1,765,848.20 and 378,135.14 is: 567,256.03
Step by Step Solution
- Step 1: Write the proportion equation
1,177,121.46 : 1,765,848.20 = 378,135.14 : x - Step 2: Convert to fraction form
1,177,121.46/1,765,848.20 = 378,135.14/x - Step 3: Cross multiply
1,177,121.46x = 1,765,848.20 × 378,135.14 - Step 4: Simplify right side
1,177,121.46x = 667,729,245,605.83 - Step 5: Solve for x
x = 667,729,245,605.83/1,177,121.46 - Step 6: Final answer
x = 567,256.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.