Finding the Fourth Proportional to 1,116,409.24, 1,674,163.09 and 432,936.24
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Solution
The fourth proportional to 1,116,409.24, 1,674,163.09 and 432,936.24 is: 649,229.55
Step by Step Solution
- Step 1: Write the proportion equation
1,116,409.24 : 1,674,163.09 = 432,936.24 : x - Step 2: Convert to fraction form
1,116,409.24/1,674,163.09 = 432,936.24/x - Step 3: Cross multiply
1,116,409.24x = 1,674,163.09 × 432,936.24 - Step 4: Simplify right side
1,116,409.24x = 724,805,873,331.38 - Step 5: Solve for x
x = 724,805,873,331.38/1,116,409.24 - Step 6: Final answer
x = 649,229.55
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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.