Finding the Fourth Proportional to 1,368,728.80, 1,888,857.97 and 756,922.74
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Solution
The fourth proportional to 1,368,728.80, 1,888,857.97 and 756,922.74 is: 1,044,560.14
Step by Step Solution
- Step 1: Write the proportion equation
1,368,728.80 : 1,888,857.97 = 756,922.74 : x - Step 2: Convert to fraction form
1,368,728.80/1,888,857.97 = 756,922.74/x - Step 3: Cross multiply
1,368,728.80x = 1,888,857.97 × 756,922.74 - Step 4: Simplify right side
1,368,728.80x = 1,429,719,541,147.71 - Step 5: Solve for x
x = 1,429,719,541,147.71/1,368,728.80 - Step 6: Final answer
x = 1,044,560.14
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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.