Finding the Fourth Proportional to 1,267,743.30, 1,749,475.71 and 694,782.11
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Solution
The fourth proportional to 1,267,743.30, 1,749,475.71 and 694,782.11 is: 958,793.80
Step by Step Solution
- Step 1: Write the proportion equation
1,267,743.30 : 1,749,475.71 = 694,782.11 : x - Step 2: Convert to fraction form
1,267,743.30/1,749,475.71 = 694,782.11/x - Step 3: Cross multiply
1,267,743.30x = 1,749,475.71 × 694,782.11 - Step 4: Simplify right side
1,267,743.30x = 1,215,504,416,440.17 - Step 5: Solve for x
x = 1,215,504,416,440.17/1,267,743.30 - Step 6: Final answer
x = 958,793.80
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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.