Finding the Fourth Proportional to 1,055,235.65, 1,582,841.79 and 256,517.96
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Solution
The fourth proportional to 1,055,235.65, 1,582,841.79 and 256,517.96 is: 384,774.09
Step by Step Solution
- Step 1: Write the proportion equation
1,055,235.65 : 1,582,841.79 = 256,517.96 : x - Step 2: Convert to fraction form
1,055,235.65/1,582,841.79 = 256,517.96/x - Step 3: Cross multiply
1,055,235.65x = 1,582,841.79 × 256,517.96 - Step 4: Simplify right side
1,055,235.65x = 406,027,337,776.75 - Step 5: Solve for x
x = 406,027,337,776.75/1,055,235.65 - Step 6: Final answer
x = 384,774.09
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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.