Finding the Fourth Proportional to 1,039,725.92, 1,560,187.92 and 440,639.84
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Solution
The fourth proportional to 1,039,725.92, 1,560,187.92 and 440,639.84 is: 661,213.64
Step by Step Solution
- Step 1: Write the proportion equation
1,039,725.92 : 1,560,187.92 = 440,639.84 : x - Step 2: Convert to fraction form
1,039,725.92/1,560,187.92 = 440,639.84/x - Step 3: Cross multiply
1,039,725.92x = 1,560,187.92 × 440,639.84 - Step 4: Simplify right side
1,039,725.92x = 687,480,955,438.73 - Step 5: Solve for x
x = 687,480,955,438.73/1,039,725.92 - Step 6: Final answer
x = 661,213.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.