Finding the Fourth Proportional to 1,351,286.90, 1,864,775.84 and 739,439.74
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Solution
The fourth proportional to 1,351,286.90, 1,864,775.84 and 739,439.74 is: 1,020,426.80
Step by Step Solution
- Step 1: Write the proportion equation
1,351,286.90 : 1,864,775.84 = 739,439.74 : x - Step 2: Convert to fraction form
1,351,286.90/1,864,775.84 = 739,439.74/x - Step 3: Cross multiply
1,351,286.90x = 1,864,775.84 × 739,439.74 - Step 4: Simplify right side
1,351,286.90x = 1,378,889,362,287.88 - Step 5: Solve for x
x = 1,378,889,362,287.88/1,351,286.90 - Step 6: Final answer
x = 1,020,426.80
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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.