Finding the Fourth Proportional to 1,204,051.08, 1,661,665.20 and 667,507.08
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Solution
The fourth proportional to 1,204,051.08, 1,661,665.20 and 667,507.08 is: 921,201.19
Step by Step Solution
- Step 1: Write the proportion equation
1,204,051.08 : 1,661,665.20 = 667,507.08 : x - Step 2: Convert to fraction form
1,204,051.08/1,661,665.20 = 667,507.08/x - Step 3: Cross multiply
1,204,051.08x = 1,661,665.20 × 667,507.08 - Step 4: Simplify right side
1,204,051.08x = 1,109,173,285,589.62 - Step 5: Solve for x
x = 1,109,173,285,589.62/1,204,051.08 - Step 6: Final answer
x = 921,201.19
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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.