Finding the Fourth Proportional to 1,305,121.94, 1,957,679.13 and 358,493.60
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Solution
The fourth proportional to 1,305,121.94, 1,957,679.13 and 358,493.60 is: 537,739.36
Step by Step Solution
- Step 1: Write the proportion equation
1,305,121.94 : 1,957,679.13 = 358,493.60 : x - Step 2: Convert to fraction form
1,305,121.94/1,957,679.13 = 358,493.60/x - Step 3: Cross multiply
1,305,121.94x = 1,957,679.13 × 358,493.60 - Step 4: Simplify right side
1,305,121.94x = 701,815,438,958.57 - Step 5: Solve for x
x = 701,815,438,958.57/1,305,121.94 - Step 6: Final answer
x = 537,739.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.