Finding the Fourth Proportional to 1,408,660.56, 2,113,119.63 and 397,797.57
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Solution
The fourth proportional to 1,408,660.56, 2,113,119.63 and 397,797.57 is: 596,732.72
Step by Step Solution
- Step 1: Write the proportion equation
1,408,660.56 : 2,113,119.63 = 397,797.57 : x - Step 2: Convert to fraction form
1,408,660.56/2,113,119.63 = 397,797.57/x - Step 3: Cross multiply
1,408,660.56x = 2,113,119.63 × 397,797.57 - Step 4: Simplify right side
1,408,660.56x = 840,593,853,933.30 - Step 5: Solve for x
x = 840,593,853,933.30/1,408,660.56 - Step 6: Final answer
x = 596,732.72
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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.