Finding the Fourth Proportional to 1,339,218.09, 1,848,126.25 and 727,381.07
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Solution
The fourth proportional to 1,339,218.09, 1,848,126.25 and 727,381.07 is: 1,003,788.74
Step by Step Solution
- Step 1: Write the proportion equation
1,339,218.09 : 1,848,126.25 = 727,381.07 : x - Step 2: Convert to fraction form
1,339,218.09/1,848,126.25 = 727,381.07/x - Step 3: Cross multiply
1,339,218.09x = 1,848,126.25 × 727,381.07 - Step 4: Simplify right side
1,339,218.09x = 1,344,292,047,072.87 - Step 5: Solve for x
x = 1,344,292,047,072.87/1,339,218.09 - Step 6: Final answer
x = 1,003,788.74
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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.