Finding the Fourth Proportional to 1,003,620.44, 1,384,992.74 and 544,734.99
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Solution
The fourth proportional to 1,003,620.44, 1,384,992.74 and 544,734.99 is: 751,732.40
Step by Step Solution
- Step 1: Write the proportion equation
1,003,620.44 : 1,384,992.74 = 544,734.99 : x - Step 2: Convert to fraction form
1,003,620.44/1,384,992.74 = 544,734.99/x - Step 3: Cross multiply
1,003,620.44x = 1,384,992.74 × 544,734.99 - Step 4: Simplify right side
1,003,620.44x = 754,454,007,735.81 - Step 5: Solve for x
x = 754,454,007,735.81/1,003,620.44 - Step 6: Final answer
x = 751,732.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.