Finding the Fourth Proportional to 1,213,886.43, 1,675,163.42 and 670,022.37
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Solution
The fourth proportional to 1,213,886.43, 1,675,163.42 and 670,022.37 is: 924,630.95
Step by Step Solution
- Step 1: Write the proportion equation
1,213,886.43 : 1,675,163.42 = 670,022.37 : x - Step 2: Convert to fraction form
1,213,886.43/1,675,163.42 = 670,022.37/x - Step 3: Cross multiply
1,213,886.43x = 1,675,163.42 × 670,022.37 - Step 4: Simplify right side
1,213,886.43x = 1,122,396,961,455.59 - Step 5: Solve for x
x = 1,122,396,961,455.59/1,213,886.43 - Step 6: Final answer
x = 924,630.95
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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.