Finding the Fourth Proportional to 1,055,194.62, 1,582,778.16 and 256,473.90
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Solution
The fourth proportional to 1,055,194.62, 1,582,778.16 and 256,473.90 is: 384,707.50
Step by Step Solution
- Step 1: Write the proportion equation
1,055,194.62 : 1,582,778.16 = 256,473.90 : x - Step 2: Convert to fraction form
1,055,194.62/1,582,778.16 = 256,473.90/x - Step 3: Cross multiply
1,055,194.62x = 1,582,778.16 × 256,473.90 - Step 4: Simplify right side
1,055,194.62x = 405,941,287,530.02 - Step 5: Solve for x
x = 405,941,287,530.02/1,055,194.62 - Step 6: Final answer
x = 384,707.50
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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.