Finding the Fourth Proportional to 1,204,028.58, 1,661,634.09 and 667,484.58
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Solution
The fourth proportional to 1,204,028.58, 1,661,634.09 and 667,484.58 is: 921,170.10
Step by Step Solution
- Step 1: Write the proportion equation
1,204,028.58 : 1,661,634.09 = 667,484.58 : x - Step 2: Convert to fraction form
1,204,028.58/1,661,634.09 = 667,484.58/x - Step 3: Cross multiply
1,204,028.58x = 1,661,634.09 × 667,484.58 - Step 4: Simplify right side
1,204,028.58x = 1,109,115,132,677.33 - Step 5: Solve for x
x = 1,109,115,132,677.33/1,204,028.58 - Step 6: Final answer
x = 921,170.10
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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.