Finding the Fourth Proportional to 1,322,438.96, 1,825,165.26 and 806,492.18
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Solution
The fourth proportional to 1,322,438.96, 1,825,165.26 and 806,492.18 is: 1,113,080.87
Step by Step Solution
- Step 1: Write the proportion equation
1,322,438.96 : 1,825,165.26 = 806,492.18 : x - Step 2: Convert to fraction form
1,322,438.96/1,825,165.26 = 806,492.18/x - Step 3: Cross multiply
1,322,438.96x = 1,825,165.26 × 806,492.18 - Step 4: Simplify right side
1,322,438.96x = 1,471,981,500,271.84 - Step 5: Solve for x
x = 1,471,981,500,271.84/1,322,438.96 - Step 6: Final answer
x = 1,113,080.87
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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.