Finding the Fourth Proportional to 1,102,135.29, 1,520,997.11 and 612,106.73
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Solution
The fourth proportional to 1,102,135.29, 1,520,997.11 and 612,106.73 is: 844,735.27
Step by Step Solution
- Step 1: Write the proportion equation
1,102,135.29 : 1,520,997.11 = 612,106.73 : x - Step 2: Convert to fraction form
1,102,135.29/1,520,997.11 = 612,106.73/x - Step 3: Cross multiply
1,102,135.29x = 1,520,997.11 × 612,106.73 - Step 4: Simplify right side
1,102,135.29x = 931,012,556,676.03 - Step 5: Solve for x
x = 931,012,556,676.03/1,102,135.29 - Step 6: Final answer
x = 844,735.27
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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.