Finding the Fourth Proportional to 1,235,218.97, 1,850,129.99 and 513,372.12
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Solution
The fourth proportional to 1,235,218.97, 1,850,129.99 and 513,372.12 is: 768,936.66
Step by Step Solution
- Step 1: Write the proportion equation
1,235,218.97 : 1,850,129.99 = 513,372.12 : x - Step 2: Convert to fraction form
1,235,218.97/1,850,129.99 = 513,372.12/x - Step 3: Cross multiply
1,235,218.97x = 1,850,129.99 × 513,372.12 - Step 4: Simplify right side
1,235,218.97x = 949,805,147,662.18 - Step 5: Solve for x
x = 949,805,147,662.18/1,235,218.97 - Step 6: Final answer
x = 768,936.66
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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.