Finding the Fourth Proportional to 1,122,042.38, 1,683,078.45 and 374,088.62
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Solution
The fourth proportional to 1,122,042.38, 1,683,078.45 and 374,088.62 is: 561,137.89
Step by Step Solution
- Step 1: Write the proportion equation
1,122,042.38 : 1,683,078.45 = 374,088.62 : x - Step 2: Convert to fraction form
1,122,042.38/1,683,078.45 = 374,088.62/x - Step 3: Cross multiply
1,122,042.38x = 1,683,078.45 × 374,088.62 - Step 4: Simplify right side
1,122,042.38x = 629,620,494,712.24 - Step 5: Solve for x
x = 629,620,494,712.24/1,122,042.38 - Step 6: Final answer
x = 561,137.89
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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.