Finding the Fourth Proportional to 1,271,206.15, 1,753,836.84 and 719,846.44
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Solution
The fourth proportional to 1,271,206.15, 1,753,836.84 and 719,846.44 is: 993,145.92
Step by Step Solution
- Step 1: Write the proportion equation
1,271,206.15 : 1,753,836.84 = 719,846.44 : x - Step 2: Convert to fraction form
1,271,206.15/1,753,836.84 = 719,846.44/x - Step 3: Cross multiply
1,271,206.15x = 1,753,836.84 × 719,846.44 - Step 4: Simplify right side
1,271,206.15x = 1,262,493,201,230.26 - Step 5: Solve for x
x = 1,262,493,201,230.26/1,271,206.15 - Step 6: Final answer
x = 993,145.92
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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.