Finding the Fourth Proportional to 1,404,742.96, 1,938,550.39 and 760,163.08
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Solution
The fourth proportional to 1,404,742.96, 1,938,550.39 and 760,163.08 is: 1,049,027.81
Step by Step Solution
- Step 1: Write the proportion equation
1,404,742.96 : 1,938,550.39 = 760,163.08 : x - Step 2: Convert to fraction form
1,404,742.96/1,938,550.39 = 760,163.08/x - Step 3: Cross multiply
1,404,742.96x = 1,938,550.39 × 760,163.08 - Step 4: Simplify right side
1,404,742.96x = 1,473,614,435,197.60 - Step 5: Solve for x
x = 1,473,614,435,197.60/1,404,742.96 - Step 6: Final answer
x = 1,049,027.81
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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.