Finding the Fourth Proportional to 1,135,415.49, 1,701,195.30 and 685,190.30
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Solution
The fourth proportional to 1,135,415.49, 1,701,195.30 and 685,190.30 is: 1,026,621.99
Step by Step Solution
- Step 1: Write the proportion equation
1,135,415.49 : 1,701,195.30 = 685,190.30 : x - Step 2: Convert to fraction form
1,135,415.49/1,701,195.30 = 685,190.30/x - Step 3: Cross multiply
1,135,415.49x = 1,701,195.30 × 685,190.30 - Step 4: Simplify right side
1,135,415.49x = 1,165,642,509,459.61 - Step 5: Solve for x
x = 1,165,642,509,459.61/1,135,415.49 - Step 6: Final answer
x = 1,026,621.99
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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.