Finding the Fourth Proportional to 1,235,272.79, 1,704,659.73 and 691,408.44
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Solution
The fourth proportional to 1,235,272.79, 1,704,659.73 and 691,408.44 is: 954,134.28
Step by Step Solution
- Step 1: Write the proportion equation
1,235,272.79 : 1,704,659.73 = 691,408.44 : x - Step 2: Convert to fraction form
1,235,272.79/1,704,659.73 = 691,408.44/x - Step 3: Cross multiply
1,235,272.79x = 1,704,659.73 × 691,408.44 - Step 4: Simplify right side
1,235,272.79x = 1,178,616,122,057.34 - Step 5: Solve for x
x = 1,178,616,122,057.34/1,235,272.79 - Step 6: Final answer
x = 954,134.28
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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.