Finding the Fourth Proportional to 1,153,381.84, 1,728,788.28 and 479,087.44
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Solution
The fourth proportional to 1,153,381.84, 1,728,788.28 and 479,087.44 is: 718,097.62
Step by Step Solution
- Step 1: Write the proportion equation
1,153,381.84 : 1,728,788.28 = 479,087.44 : x - Step 2: Convert to fraction form
1,153,381.84/1,728,788.28 = 479,087.44/x - Step 3: Cross multiply
1,153,381.84x = 1,728,788.28 × 479,087.44 - Step 4: Simplify right side
1,153,381.84x = 828,240,751,367.20 - Step 5: Solve for x
x = 828,240,751,367.20/1,153,381.84 - Step 6: Final answer
x = 718,097.62
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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.