Finding the Fourth Proportional to 1,252,467.73, 1,728,408.77 and 679,507.90
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Solution
The fourth proportional to 1,252,467.73, 1,728,408.77 and 679,507.90 is: 937,722.69
Step by Step Solution
- Step 1: Write the proportion equation
1,252,467.73 : 1,728,408.77 = 679,507.90 : x - Step 2: Convert to fraction form
1,252,467.73/1,728,408.77 = 679,507.90/x - Step 3: Cross multiply
1,252,467.73x = 1,728,408.77 × 679,507.90 - Step 4: Simplify right side
1,252,467.73x = 1,174,467,401,604.70 - Step 5: Solve for x
x = 1,174,467,401,604.70/1,252,467.73 - Step 6: Final answer
x = 937,722.69
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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.