Finding the Fourth Proportional to 1,149,589.26, 1,586,289.42 and 666,145.62
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Solution
The fourth proportional to 1,149,589.26, 1,586,289.42 and 666,145.62 is: 919,197.65
Step by Step Solution
- Step 1: Write the proportion equation
1,149,589.26 : 1,586,289.42 = 666,145.62 : x - Step 2: Convert to fraction form
1,149,589.26/1,586,289.42 = 666,145.62/x - Step 3: Cross multiply
1,149,589.26x = 1,586,289.42 × 666,145.62 - Step 4: Simplify right side
1,149,589.26x = 1,056,699,749,185.34 - Step 5: Solve for x
x = 1,056,699,749,185.34/1,149,589.26 - Step 6: Final answer
x = 919,197.65
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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.