Finding the Fourth Proportional to 1,074,745.66, 1,482,905.49 and 784,515.39
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Solution
The fourth proportional to 1,074,745.66, 1,482,905.49 and 784,515.39 is: 1,082,453.47
Step by Step Solution
- Step 1: Write the proportion equation
1,074,745.66 : 1,482,905.49 = 784,515.39 : x - Step 2: Convert to fraction form
1,074,745.66/1,482,905.49 = 784,515.39/x - Step 3: Cross multiply
1,074,745.66x = 1,482,905.49 × 784,515.39 - Step 4: Simplify right side
1,074,745.66x = 1,163,362,171,405.96 - Step 5: Solve for x
x = 1,163,362,171,405.96/1,074,745.66 - Step 6: Final answer
x = 1,082,453.47
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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.