Finding the Fourth Proportional to 1,331,367.24, 1,837,074.42 and 758,418.60
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Solution
The fourth proportional to 1,331,367.24, 1,837,074.42 and 758,418.60 is: 1,046,496.69
Step by Step Solution
- Step 1: Write the proportion equation
1,331,367.24 : 1,837,074.42 = 758,418.60 : x - Step 2: Convert to fraction form
1,331,367.24/1,837,074.42 = 758,418.60/x - Step 3: Cross multiply
1,331,367.24x = 1,837,074.42 × 758,418.60 - Step 4: Simplify right side
1,331,367.24x = 1,393,271,409,712.21 - Step 5: Solve for x
x = 1,393,271,409,712.21/1,331,367.24 - Step 6: Final answer
x = 1,046,496.69
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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.