Finding the Fourth Proportional to 1,193,790.14, 1,647,440.34 and 649,929.68
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Solution
The fourth proportional to 1,193,790.14, 1,647,440.34 and 649,929.68 is: 896,908.37
Step by Step Solution
- Step 1: Write the proportion equation
1,193,790.14 : 1,647,440.34 = 649,929.68 : x - Step 2: Convert to fraction form
1,193,790.14/1,647,440.34 = 649,929.68/x - Step 3: Cross multiply
1,193,790.14x = 1,647,440.34 × 649,929.68 - Step 4: Simplify right side
1,193,790.14x = 1,070,720,372,995.29 - Step 5: Solve for x
x = 1,070,720,372,995.29/1,193,790.14 - Step 6: Final answer
x = 896,908.37
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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.