Finding the Fourth Proportional to 1,168,699.26, 1,612,346.87 and 678,585.12
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Solution
The fourth proportional to 1,168,699.26, 1,612,346.87 and 678,585.12 is: 936,181.47
Step by Step Solution
- Step 1: Write the proportion equation
1,168,699.26 : 1,612,346.87 = 678,585.12 : x - Step 2: Convert to fraction form
1,168,699.26/1,612,346.87 = 678,585.12/x - Step 3: Cross multiply
1,168,699.26x = 1,612,346.87 × 678,585.12 - Step 4: Simplify right side
1,168,699.26x = 1,094,114,590,628.42 - Step 5: Solve for x
x = 1,094,114,590,628.42/1,168,699.26 - Step 6: Final answer
x = 936,181.47
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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.