Finding the Fourth Proportional to 1,197,445.26, 1,652,474.44 and 816,138.16
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Solution
The fourth proportional to 1,197,445.26, 1,652,474.44 and 816,138.16 is: 1,126,270.65
Step by Step Solution
- Step 1: Write the proportion equation
1,197,445.26 : 1,652,474.44 = 816,138.16 : x - Step 2: Convert to fraction form
1,197,445.26/1,652,474.44 = 816,138.16/x - Step 3: Cross multiply
1,197,445.26x = 1,652,474.44 × 816,138.16 - Step 4: Simplify right side
1,197,445.26x = 1,348,647,448,908.63 - Step 5: Solve for x
x = 1,348,647,448,908.63/1,197,445.26 - Step 6: Final answer
x = 1,126,270.65
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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.