Finding the Fourth Proportional to 1,087,787.92, 1,631,121.08 and 488,235.12
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Solution
The fourth proportional to 1,087,787.92, 1,631,121.08 and 488,235.12 is: 732,100.97
Step by Step Solution
- Step 1: Write the proportion equation
1,087,787.92 : 1,631,121.08 = 488,235.12 : x - Step 2: Convert to fraction form
1,087,787.92/1,631,121.08 = 488,235.12/x - Step 3: Cross multiply
1,087,787.92x = 1,631,121.08 × 488,235.12 - Step 4: Simplify right side
1,087,787.92x = 796,370,596,228.33 - Step 5: Solve for x
x = 796,370,596,228.33/1,087,787.92 - Step 6: Final answer
x = 732,100.97
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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.