Finding the Fourth Proportional to 1,161,161.92, 1,602,122.98 and 677,450.96
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Solution
The fourth proportional to 1,161,161.92, 1,602,122.98 and 677,450.96 is: 934,718.69
Step by Step Solution
- Step 1: Write the proportion equation
1,161,161.92 : 1,602,122.98 = 677,450.96 : x - Step 2: Convert to fraction form
1,161,161.92/1,602,122.98 = 677,450.96/x - Step 3: Cross multiply
1,161,161.92x = 1,602,122.98 × 677,450.96 - Step 4: Simplify right side
1,161,161.92x = 1,085,359,750,839.06 - Step 5: Solve for x
x = 1,085,359,750,839.06/1,161,161.92 - Step 6: Final answer
x = 934,718.69
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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.