Finding the Fourth Proportional to 1,092,212.92, 1,638,630.42 and 792,992.44
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Solution
The fourth proportional to 1,092,212.92, 1,638,630.42 and 792,992.44 is: 1,189,714.49
Step by Step Solution
- Step 1: Write the proportion equation
1,092,212.92 : 1,638,630.42 = 792,992.44 : x - Step 2: Convert to fraction form
1,092,212.92/1,638,630.42 = 792,992.44/x - Step 3: Cross multiply
1,092,212.92x = 1,638,630.42 × 792,992.44 - Step 4: Simplify right side
1,092,212.92x = 1,299,421,535,014.02 - Step 5: Solve for x
x = 1,299,421,535,014.02/1,092,212.92 - Step 6: Final answer
x = 1,189,714.49
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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.