Finding the Fourth Proportional to 1,255,121.36, 1,732,081.02 and 682,161.68
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Solution
The fourth proportional to 1,255,121.36, 1,732,081.02 and 682,161.68 is: 941,390.48
Step by Step Solution
- Step 1: Write the proportion equation
1,255,121.36 : 1,732,081.02 = 682,161.68 : x - Step 2: Convert to fraction form
1,255,121.36/1,732,081.02 = 682,161.68/x - Step 3: Cross multiply
1,255,121.36x = 1,732,081.02 × 682,161.68 - Step 4: Simplify right side
1,255,121.36x = 1,181,559,298,499.31 - Step 5: Solve for x
x = 1,181,559,298,499.31/1,255,121.36 - Step 6: Final answer
x = 941,390.48
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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.