Finding the Fourth Proportional to 1,268,163.09, 1,750,058.65 and 687,383.88
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Solution
The fourth proportional to 1,268,163.09, 1,750,058.65 and 687,383.88 is: 948,586.28
Step by Step Solution
- Step 1: Write the proportion equation
1,268,163.09 : 1,750,058.65 = 687,383.88 : x - Step 2: Convert to fraction form
1,268,163.09/1,750,058.65 = 687,383.88/x - Step 3: Cross multiply
1,268,163.09x = 1,750,058.65 × 687,383.88 - Step 4: Simplify right side
1,268,163.09x = 1,202,962,103,346.10 - Step 5: Solve for x
x = 1,202,962,103,346.10/1,268,163.09 - Step 6: Final answer
x = 948,586.28
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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.