Finding the Fourth Proportional to 1,092,211.92, 1,638,628.92 and 792,991.44
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Solution
The fourth proportional to 1,092,211.92, 1,638,628.92 and 792,991.44 is: 1,189,712.99
Step by Step Solution
- Step 1: Write the proportion equation
1,092,211.92 : 1,638,628.92 = 792,991.44 : x - Step 2: Convert to fraction form
1,092,211.92/1,638,628.92 = 792,991.44/x - Step 3: Cross multiply
1,092,211.92x = 1,638,628.92 × 792,991.44 - Step 4: Simplify right side
1,092,211.92x = 1,299,418,706,896.44 - Step 5: Solve for x
x = 1,299,418,706,896.44/1,092,211.92 - Step 6: Final answer
x = 1,189,712.99
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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.