Finding the Fourth Proportional to 1,120,707.24, 1,546,568.70 and 637,272.36
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Solution
The fourth proportional to 1,120,707.24, 1,546,568.70 and 637,272.36 is: 879,431.71
Step by Step Solution
- Step 1: Write the proportion equation
1,120,707.24 : 1,546,568.70 = 637,272.36 : x - Step 2: Convert to fraction form
1,120,707.24/1,546,568.70 = 637,272.36/x - Step 3: Cross multiply
1,120,707.24x = 1,546,568.70 × 637,272.36 - Step 4: Simplify right side
1,120,707.24x = 985,585,485,351.13 - Step 5: Solve for x
x = 985,585,485,351.13/1,120,707.24 - Step 6: Final answer
x = 879,431.71
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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.