Finding the Fourth Proportional to 1,294,212.26, 1,785,486.84 and 858,834.92
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Solution
The fourth proportional to 1,294,212.26, 1,785,486.84 and 858,834.92 is: 1,184,843.09
Step by Step Solution
- Step 1: Write the proportion equation
1,294,212.26 : 1,785,486.84 = 858,834.92 : x - Step 2: Convert to fraction form
1,294,212.26/1,785,486.84 = 858,834.92/x - Step 3: Cross multiply
1,294,212.26x = 1,785,486.84 × 858,834.92 - Step 4: Simplify right side
1,294,212.26x = 1,533,438,447,392.45 - Step 5: Solve for x
x = 1,533,438,447,392.45/1,294,212.26 - Step 6: Final answer
x = 1,184,843.09
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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.