Finding the Fourth Proportional to 1,268,217.96, 1,902,393.84 and 321,596.88
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Solution
The fourth proportional to 1,268,217.96, 1,902,393.84 and 321,596.88 is: 482,412.28
Step by Step Solution
- Step 1: Write the proportion equation
1,268,217.96 : 1,902,393.84 = 321,596.88 : x - Step 2: Convert to fraction form
1,268,217.96/1,902,393.84 = 321,596.88/x - Step 3: Cross multiply
1,268,217.96x = 1,902,393.84 × 321,596.88 - Step 4: Simplify right side
1,268,217.96x = 611,803,923,475.22 - Step 5: Solve for x
x = 611,803,923,475.22/1,268,217.96 - Step 6: Final answer
x = 482,412.28
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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.