Finding the Fourth Proportional to 1,436,979.44, 1,982,986.17 and 792,426.80
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Solution
The fourth proportional to 1,436,979.44, 1,982,986.17 and 792,426.80 is: 1,093,523.92
Step by Step Solution
- Step 1: Write the proportion equation
1,436,979.44 : 1,982,986.17 = 792,426.80 : x - Step 2: Convert to fraction form
1,436,979.44/1,982,986.17 = 792,426.80/x - Step 3: Cross multiply
1,436,979.44x = 1,982,986.17 × 792,426.80 - Step 4: Simplify right side
1,436,979.44x = 1,571,371,385,137.36 - Step 5: Solve for x
x = 1,571,371,385,137.36/1,436,979.44 - Step 6: Final answer
x = 1,093,523.92
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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.