Finding the Fourth Proportional to 1,102,639.08, 1,521,806.49 and 673,168.17
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Solution
The fourth proportional to 1,102,639.08, 1,521,806.49 and 673,168.17 is: 929,072.54
Step by Step Solution
- Step 1: Write the proportion equation
1,102,639.08 : 1,521,806.49 = 673,168.17 : x - Step 2: Convert to fraction form
1,102,639.08/1,521,806.49 = 673,168.17/x - Step 3: Cross multiply
1,102,639.08x = 1,521,806.49 × 673,168.17 - Step 4: Simplify right side
1,102,639.08x = 1,024,431,689,967.42 - Step 5: Solve for x
x = 1,024,431,689,967.42/1,102,639.08 - Step 6: Final answer
x = 929,072.54
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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.