Finding the Fourth Proportional to 1,286,615.77, 1,775,524.08 and 735,322.28
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Solution
The fourth proportional to 1,286,615.77, 1,775,524.08 and 735,322.28 is: 1,014,741.49
Step by Step Solution
- Step 1: Write the proportion equation
1,286,615.77 : 1,775,524.08 = 735,322.28 : x - Step 2: Convert to fraction form
1,286,615.77/1,775,524.08 = 735,322.28/x - Step 3: Cross multiply
1,286,615.77x = 1,775,524.08 × 735,322.28 - Step 4: Simplify right side
1,286,615.77x = 1,305,582,409,723.64 - Step 5: Solve for x
x = 1,305,582,409,723.64/1,286,615.77 - Step 6: Final answer
x = 1,014,741.49
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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.