Finding the Fourth Proportional to 1,408,936.26, 1,944,332.81 and 764,356.38
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Solution
The fourth proportional to 1,408,936.26, 1,944,332.81 and 764,356.38 is: 1,054,812.23
Step by Step Solution
- Step 1: Write the proportion equation
1,408,936.26 : 1,944,332.81 = 764,356.38 : x - Step 2: Convert to fraction form
1,408,936.26/1,944,332.81 = 764,356.38/x - Step 3: Cross multiply
1,408,936.26x = 1,944,332.81 × 764,356.38 - Step 4: Simplify right side
1,408,936.26x = 1,486,163,190,857.01 - Step 5: Solve for x
x = 1,486,163,190,857.01/1,408,936.26 - Step 6: Final answer
x = 1,054,812.23
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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.