Finding the Fourth Proportional to 1,027,509.12, 1,541,268 and 672,819.84
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Solution
The fourth proportional to 1,027,509.12, 1,541,268 and 672,819.84 is: 1,009,232.59
Step by Step Solution
- Step 1: Write the proportion equation
1,027,509.12 : 1,541,268 = 672,819.84 : x - Step 2: Convert to fraction form
1,027,509.12/1,541,268 = 672,819.84/x - Step 3: Cross multiply
1,027,509.12x = 1,541,268 × 672,819.84 - Step 4: Simplify right side
1,027,509.12x = 1,036,995,689,157.12 - Step 5: Solve for x
x = 1,036,995,689,157.12/1,027,509.12 - Step 6: Final answer
x = 1,009,232.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.