Finding the Fourth Proportional to 1,368,558.67, 1,888,477.81 and 756,627.64
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Solution
The fourth proportional to 1,368,558.67, 1,888,477.81 and 756,627.64 is: 1,044,072.53
Step by Step Solution
- Step 1: Write the proportion equation
1,368,558.67 : 1,888,477.81 = 756,627.64 : x - Step 2: Convert to fraction form
1,368,558.67/1,888,477.81 = 756,627.64/x - Step 3: Cross multiply
1,368,558.67x = 1,888,477.81 × 756,627.64 - Step 4: Simplify right side
1,368,558.67x = 1,428,874,511,402.29 - Step 5: Solve for x
x = 1,428,874,511,402.29/1,368,558.67 - Step 6: Final answer
x = 1,044,072.53
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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.