Finding the Fourth Proportional to 1,274,485.75, 1,758,958.29 and 765,220.93
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Solution
The fourth proportional to 1,274,485.75, 1,758,958.29 and 765,220.93 is: 1,056,105.73
Step by Step Solution
- Step 1: Write the proportion equation
1,274,485.75 : 1,758,958.29 = 765,220.93 : x - Step 2: Convert to fraction form
1,274,485.75/1,758,958.29 = 765,220.93/x - Step 3: Cross multiply
1,274,485.75x = 1,758,958.29 × 765,220.93 - Step 4: Simplify right side
1,274,485.75x = 1,345,991,698,505.01 - Step 5: Solve for x
x = 1,345,991,698,505.01/1,274,485.75 - Step 6: Final answer
x = 1,056,105.73
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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.