Finding the Fourth Proportional to 1,204,381.44, 1,661,777.17 and 687,970.26
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Solution
The fourth proportional to 1,204,381.44, 1,661,777.17 and 687,970.26 is: 949,245.17
Step by Step Solution
- Step 1: Write the proportion equation
1,204,381.44 : 1,661,777.17 = 687,970.26 : x - Step 2: Convert to fraction form
1,204,381.44/1,661,777.17 = 687,970.26/x - Step 3: Cross multiply
1,204,381.44x = 1,661,777.17 × 687,970.26 - Step 4: Simplify right side
1,204,381.44x = 1,143,253,269,987.04 - Step 5: Solve for x
x = 1,143,253,269,987.04/1,204,381.44 - Step 6: Final answer
x = 949,245.17
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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.