Finding the Fourth Proportional to 1,179,440.81, 1,769,163.03 and 358,786.70
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Solution
The fourth proportional to 1,179,440.81, 1,769,163.03 and 358,786.70 is: 538,180.60
Step by Step Solution
- Step 1: Write the proportion equation
1,179,440.81 : 1,769,163.03 = 358,786.70 : x - Step 2: Convert to fraction form
1,179,440.81/1,769,163.03 = 358,786.70/x - Step 3: Cross multiply
1,179,440.81x = 1,769,163.03 × 358,786.70 - Step 4: Simplify right side
1,179,440.81x = 634,752,165,295.70 - Step 5: Solve for x
x = 634,752,165,295.70/1,179,440.81 - Step 6: Final answer
x = 538,180.60
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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.