Finding the Fourth Proportional to 1,120,694.63, 1,546,551.26 and 637,259.81
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Solution
The fourth proportional to 1,120,694.63, 1,546,551.26 and 637,259.81 is: 879,414.37
Step by Step Solution
- Step 1: Write the proportion equation
1,120,694.63 : 1,546,551.26 = 637,259.81 : x - Step 2: Convert to fraction form
1,120,694.63/1,546,551.26 = 637,259.81/x - Step 3: Cross multiply
1,120,694.63x = 1,546,551.26 × 637,259.81 - Step 4: Simplify right side
1,120,694.63x = 985,554,963,696.01 - Step 5: Solve for x
x = 985,554,963,696.01/1,120,694.63 - Step 6: Final answer
x = 879,414.37
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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.