Finding the Fourth Proportional to 1,279,233.09, 1,765,344.29 and 706,274.37
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Solution
The fourth proportional to 1,279,233.09, 1,765,344.29 and 706,274.37 is: 974,660.08
Step by Step Solution
- Step 1: Write the proportion equation
1,279,233.09 : 1,765,344.29 = 706,274.37 : x - Step 2: Convert to fraction form
1,279,233.09/1,765,344.29 = 706,274.37/x - Step 3: Cross multiply
1,279,233.09x = 1,765,344.29 × 706,274.37 - Step 4: Simplify right side
1,279,233.09x = 1,246,817,422,721.48 - Step 5: Solve for x
x = 1,246,817,422,721.48/1,279,233.09 - Step 6: Final answer
x = 974,660.08
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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.