Finding the Fourth Proportional to 1,104,849.63, 1,524,677.81 and 621,414.80
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Solution
The fourth proportional to 1,104,849.63, 1,524,677.81 and 621,414.80 is: 857,544.16
Step by Step Solution
- Step 1: Write the proportion equation
1,104,849.63 : 1,524,677.81 = 621,414.80 : x - Step 2: Convert to fraction form
1,104,849.63/1,524,677.81 = 621,414.80/x - Step 3: Cross multiply
1,104,849.63x = 1,524,677.81 × 621,414.80 - Step 4: Simplify right side
1,104,849.63x = 947,457,345,635.13 - Step 5: Solve for x
x = 947,457,345,635.13/1,104,849.63 - Step 6: Final answer
x = 857,544.16
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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.