Finding the Fourth Proportional to 1,296,860.36, 1,789,660.37 and 753,129.74
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Solution
The fourth proportional to 1,296,860.36, 1,789,660.37 and 753,129.74 is: 1,039,315.01
Step by Step Solution
- Step 1: Write the proportion equation
1,296,860.36 : 1,789,660.37 = 753,129.74 : x - Step 2: Convert to fraction form
1,296,860.36/1,789,660.37 = 753,129.74/x - Step 3: Cross multiply
1,296,860.36x = 1,789,660.37 × 753,129.74 - Step 4: Simplify right side
1,296,860.36x = 1,347,846,440,198.10 - Step 5: Solve for x
x = 1,347,846,440,198.10/1,296,860.36 - Step 6: Final answer
x = 1,039,315.01
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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.