Finding the Fourth Proportional to 1,053,291.92, 1,579,564.21 and 379,192.23
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Solution
The fourth proportional to 1,053,291.92, 1,579,564.21 and 379,192.23 is: 568,653.82
Step by Step Solution
- Step 1: Write the proportion equation
1,053,291.92 : 1,579,564.21 = 379,192.23 : x - Step 2: Convert to fraction form
1,053,291.92/1,579,564.21 = 379,192.23/x - Step 3: Cross multiply
1,053,291.92x = 1,579,564.21 × 379,192.23 - Step 4: Simplify right side
1,053,291.92x = 598,958,469,072.58 - Step 5: Solve for x
x = 598,958,469,072.58/1,053,291.92 - Step 6: Final answer
x = 568,653.82
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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.