Finding the Fourth Proportional to 1,368,728.76, 1,888,857.94 and 756,922.68
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Solution
The fourth proportional to 1,368,728.76, 1,888,857.94 and 756,922.68 is: 1,044,560.07
Step by Step Solution
- Step 1: Write the proportion equation
1,368,728.76 : 1,888,857.94 = 756,922.68 : x - Step 2: Convert to fraction form
1,368,728.76/1,888,857.94 = 756,922.68/x - Step 3: Cross multiply
1,368,728.76x = 1,888,857.94 × 756,922.68 - Step 4: Simplify right side
1,368,728.76x = 1,429,719,414,084.08 - Step 5: Solve for x
x = 1,429,719,414,084.08/1,368,728.76 - Step 6: Final answer
x = 1,044,560.07
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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.