Finding the Fourth Proportional to 1,274,212.74, 1,758,759 and 751,379.97
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Solution
The fourth proportional to 1,274,212.74, 1,758,759 and 751,379.97 is: 1,037,108.05
Step by Step Solution
- Step 1: Write the proportion equation
1,274,212.74 : 1,758,759 = 751,379.97 : x - Step 2: Convert to fraction form
1,274,212.74/1,758,759 = 751,379.97/x - Step 3: Cross multiply
1,274,212.74x = 1,758,759 × 751,379.97 - Step 4: Simplify right side
1,274,212.74x = 1,321,496,284,657.23 - Step 5: Solve for x
x = 1,321,496,284,657.23/1,274,212.74 - Step 6: Final answer
x = 1,037,108.05
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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.