Finding the Fourth Proportional to 1,170,408.50, 1,615,163.73 and 633,864.50
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Solution
The fourth proportional to 1,170,408.50, 1,615,163.73 and 633,864.50 is: 874,733.01
Step by Step Solution
- Step 1: Write the proportion equation
1,170,408.50 : 1,615,163.73 = 633,864.50 : x - Step 2: Convert to fraction form
1,170,408.50/1,615,163.73 = 633,864.50/x - Step 3: Cross multiply
1,170,408.50x = 1,615,163.73 × 633,864.50 - Step 4: Simplify right side
1,170,408.50x = 1,023,794,950,134.59 - Step 5: Solve for x
x = 1,023,794,950,134.59/1,170,408.50 - Step 6: Final answer
x = 874,733.01
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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.