Finding the Fourth Proportional to 1,135,412.49, 1,701,190.80 and 685,187.29
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Solution
The fourth proportional to 1,135,412.49, 1,701,190.80 and 685,187.29 is: 1,026,617.48
Step by Step Solution
- Step 1: Write the proportion equation
1,135,412.49 : 1,701,190.80 = 685,187.29 : x - Step 2: Convert to fraction form
1,135,412.49/1,701,190.80 = 685,187.29/x - Step 3: Cross multiply
1,135,412.49x = 1,701,190.80 × 685,187.29 - Step 4: Simplify right side
1,135,412.49x = 1,165,634,309,771.96 - Step 5: Solve for x
x = 1,165,634,309,771.96/1,135,412.49 - Step 6: Final answer
x = 1,026,617.48
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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.