Finding the Fourth Proportional to 1,743,431.06, 2,405,979.32 and 958,487.36
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Solution
The fourth proportional to 1,743,431.06, 2,405,979.32 and 958,487.36 is: 1,322,736.99
Step by Step Solution
- Step 1: Write the proportion equation
1,743,431.06 : 2,405,979.32 = 958,487.36 : x - Step 2: Convert to fraction form
1,743,431.06/2,405,979.32 = 958,487.36/x - Step 3: Cross multiply
1,743,431.06x = 2,405,979.32 × 958,487.36 - Step 4: Simplify right side
1,743,431.06x = 2,306,100,749,819.06 - Step 5: Solve for x
x = 2,306,100,749,819.06/1,743,431.06 - Step 6: Final answer
x = 1,322,736.99
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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.