Finding the Fourth Proportional to 1,319,874.24, 1,821,426.42 and 716,262.24
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Solution
The fourth proportional to 1,319,874.24, 1,821,426.42 and 716,262.24 is: 988,441.87
Step by Step Solution
- Step 1: Write the proportion equation
1,319,874.24 : 1,821,426.42 = 716,262.24 : x - Step 2: Convert to fraction form
1,319,874.24/1,821,426.42 = 716,262.24/x - Step 3: Cross multiply
1,319,874.24x = 1,821,426.42 × 716,262.24 - Step 4: Simplify right side
1,319,874.24x = 1,304,618,967,584.38 - Step 5: Solve for x
x = 1,304,618,967,584.38/1,319,874.24 - Step 6: Final answer
x = 988,441.87
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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.