Finding the Fourth Proportional to 1,267,649.13, 1,749,369.57 and 694,677
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Solution
The fourth proportional to 1,267,649.13, 1,749,369.57 and 694,677 is: 958,661.81
Step by Step Solution
- Step 1: Write the proportion equation
1,267,649.13 : 1,749,369.57 = 694,677 : x - Step 2: Convert to fraction form
1,267,649.13/1,749,369.57 = 694,677/x - Step 3: Cross multiply
1,267,649.13x = 1,749,369.57 × 694,677 - Step 4: Simplify right side
1,267,649.13x = 1,215,246,804,778.89 - Step 5: Solve for x
x = 1,215,246,804,778.89/1,267,649.13 - Step 6: Final answer
x = 958,661.81
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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.