Finding the Fourth Proportional to 1,208,178.02, 1,667,242.99 and 664,310.00
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Solution
The fourth proportional to 1,208,178.02, 1,667,242.99 and 664,310.00 is: 916,724.33
Step by Step Solution
- Step 1: Write the proportion equation
1,208,178.02 : 1,667,242.99 = 664,310.00 : x - Step 2: Convert to fraction form
1,208,178.02/1,667,242.99 = 664,310.00/x - Step 3: Cross multiply
1,208,178.02x = 1,667,242.99 × 664,310.00 - Step 4: Simplify right side
1,208,178.02x = 1,107,566,179,029.14 - Step 5: Solve for x
x = 1,107,566,179,029.14/1,208,178.02 - Step 6: Final answer
x = 916,724.33
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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.