Finding the Fourth Proportional to 1,228,694.88, 1,843,198.16 and 480,643.68
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Solution
The fourth proportional to 1,228,694.88, 1,843,198.16 and 480,643.68 is: 721,026.48
Step by Step Solution
- Step 1: Write the proportion equation
1,228,694.88 : 1,843,198.16 = 480,643.68 : x - Step 2: Convert to fraction form
1,228,694.88/1,843,198.16 = 480,643.68/x - Step 3: Cross multiply
1,228,694.88x = 1,843,198.16 × 480,643.68 - Step 4: Simplify right side
1,228,694.88x = 885,921,546,591.63 - Step 5: Solve for x
x = 885,921,546,591.63/1,228,694.88 - Step 6: Final answer
x = 721,026.48
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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.