Finding the Fourth Proportional to 1,267,648.63, 1,749,368.88 and 694,676.50
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Solution
The fourth proportional to 1,267,648.63, 1,749,368.88 and 694,676.50 is: 958,661.12
Step by Step Solution
- Step 1: Write the proportion equation
1,267,648.63 : 1,749,368.88 = 694,676.50 : x - Step 2: Convert to fraction form
1,267,648.63/1,749,368.88 = 694,676.50/x - Step 3: Cross multiply
1,267,648.63x = 1,749,368.88 × 694,676.50 - Step 4: Simplify right side
1,267,648.63x = 1,215,245,450,767.32 - Step 5: Solve for x
x = 1,215,245,450,767.32/1,267,648.63 - Step 6: Final answer
x = 958,661.12
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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.