Finding the Fourth Proportional to 1,203,971.63, 1,661,246.87 and 713,850.57
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Solution
The fourth proportional to 1,203,971.63, 1,661,246.87 and 713,850.57 is: 984,975.06
Step by Step Solution
- Step 1: Write the proportion equation
1,203,971.63 : 1,661,246.87 = 713,850.57 : x - Step 2: Convert to fraction form
1,203,971.63/1,661,246.87 = 713,850.57/x - Step 3: Cross multiply
1,203,971.63x = 1,661,246.87 × 713,850.57 - Step 4: Simplify right side
1,203,971.63x = 1,185,882,025,060.22 - Step 5: Solve for x
x = 1,185,882,025,060.22/1,203,971.63 - Step 6: Final answer
x = 984,975.06
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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.