Finding the Fourth Proportional to 1,236,568.68, 1,715,195.25 and 1,203,792.84
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Solution
The fourth proportional to 1,236,568.68, 1,715,195.25 and 1,203,792.84 is: 1,669,733.19
Step by Step Solution
- Step 1: Write the proportion equation
1,236,568.68 : 1,715,195.25 = 1,203,792.84 : x - Step 2: Convert to fraction form
1,236,568.68/1,715,195.25 = 1,203,792.84/x - Step 3: Cross multiply
1,236,568.68x = 1,715,195.25 × 1,203,792.84 - Step 4: Simplify right side
1,236,568.68x = 2,064,739,761,152.01 - Step 5: Solve for x
x = 2,064,739,761,152.01/1,236,568.68 - Step 6: Final answer
x = 1,669,733.19
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.