Finding the Fourth Proportional to 1,271,118.23, 1,753,716.26 and 719,758.79
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Solution
The fourth proportional to 1,271,118.23, 1,753,716.26 and 719,758.79 is: 993,025.40
Step by Step Solution
- Step 1: Write the proportion equation
1,271,118.23 : 1,753,716.26 = 719,758.79 : x - Step 2: Convert to fraction form
1,271,118.23/1,753,716.26 = 719,758.79/x - Step 3: Cross multiply
1,271,118.23x = 1,753,716.26 × 719,758.79 - Step 4: Simplify right side
1,271,118.23x = 1,262,252,689,702.13 - Step 5: Solve for x
x = 1,262,252,689,702.13/1,271,118.23 - Step 6: Final answer
x = 993,025.40
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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.