Finding the Fourth Proportional to 1,153,382.84, 1,728,789.78 and 479,088.44
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Solution
The fourth proportional to 1,153,382.84, 1,728,789.78 and 479,088.44 is: 718,099.12
Step by Step Solution
- Step 1: Write the proportion equation
1,153,382.84 : 1,728,789.78 = 479,088.44 : x - Step 2: Convert to fraction form
1,153,382.84/1,728,789.78 = 479,088.44/x - Step 3: Cross multiply
1,153,382.84x = 1,728,789.78 × 479,088.44 - Step 4: Simplify right side
1,153,382.84x = 828,243,198,788.14 - Step 5: Solve for x
x = 828,243,198,788.14/1,153,382.84 - Step 6: Final answer
x = 718,099.12
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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.