Finding the Fourth Proportional to 1,188,125.35, 1,782,190.76 and 834,717.09
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Solution
The fourth proportional to 1,188,125.35, 1,782,190.76 and 834,717.09 is: 1,252,077.56
Step by Step Solution
- Step 1: Write the proportion equation
1,188,125.35 : 1,782,190.76 = 834,717.09 : x - Step 2: Convert to fraction form
1,188,125.35/1,782,190.76 = 834,717.09/x - Step 3: Cross multiply
1,188,125.35x = 1,782,190.76 × 834,717.09 - Step 4: Simplify right side
1,188,125.35x = 1,487,625,085,012.09 - Step 5: Solve for x
x = 1,487,625,085,012.09/1,188,125.35 - Step 6: Final answer
x = 1,252,077.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.