Finding the Fourth Proportional to 1,264,368.72, 1,745,034.87 and 939,836.79
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Solution
The fourth proportional to 1,264,368.72, 1,745,034.87 and 939,836.79 is: 1,297,127.92
Step by Step Solution
- Step 1: Write the proportion equation
1,264,368.72 : 1,745,034.87 = 939,836.79 : x - Step 2: Convert to fraction form
1,264,368.72/1,745,034.87 = 939,836.79/x - Step 3: Cross multiply
1,264,368.72x = 1,745,034.87 × 939,836.79 - Step 4: Simplify right side
1,264,368.72x = 1,640,047,970,658.87 - Step 5: Solve for x
x = 1,640,047,970,658.87/1,264,368.72 - Step 6: Final answer
x = 1,297,127.92
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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.