Finding the Fourth Proportional to 1,263,409.91, 1,743,506.34 and 690,450.01
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Solution
The fourth proportional to 1,263,409.91, 1,743,506.34 and 690,450.01 is: 952,821.37
Step by Step Solution
- Step 1: Write the proportion equation
1,263,409.91 : 1,743,506.34 = 690,450.01 : x - Step 2: Convert to fraction form
1,263,409.91/1,743,506.34 = 690,450.01/x - Step 3: Cross multiply
1,263,409.91x = 1,743,506.34 × 690,450.01 - Step 4: Simplify right side
1,263,409.91x = 1,203,803,961,170.53 - Step 5: Solve for x
x = 1,203,803,961,170.53/1,263,409.91 - Step 6: Final answer
x = 952,821.37
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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.