Finding the Fourth Proportional to 1,391,568.20, 2,087,546.70 and 592,843.40
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Solution
The fourth proportional to 1,391,568.20, 2,087,546.70 and 592,843.40 is: 889,347.92
Step by Step Solution
- Step 1: Write the proportion equation
1,391,568.20 : 2,087,546.70 = 592,843.40 : x - Step 2: Convert to fraction form
1,391,568.20/2,087,546.70 = 592,843.40/x - Step 3: Cross multiply
1,391,568.20x = 2,087,546.70 × 592,843.40 - Step 4: Simplify right side
1,391,568.20x = 1,237,588,283,286.78 - Step 5: Solve for x
x = 1,237,588,283,286.78/1,391,568.20 - Step 6: Final answer
x = 889,347.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.