Finding the Fourth Proportional to 1,162,076.34, 1,743,214.86 and 320,628.09
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Solution
The fourth proportional to 1,162,076.34, 1,743,214.86 and 320,628.09 is: 480,969.82
Step by Step Solution
- Step 1: Write the proportion equation
1,162,076.34 : 1,743,214.86 = 320,628.09 : x - Step 2: Convert to fraction form
1,162,076.34/1,743,214.86 = 320,628.09/x - Step 3: Cross multiply
1,162,076.34x = 1,743,214.86 × 320,628.09 - Step 4: Simplify right side
1,162,076.34x = 558,923,651,021.42 - Step 5: Solve for x
x = 558,923,651,021.42/1,162,076.34 - Step 6: Final answer
x = 480,969.82
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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.