Finding the Fourth Proportional to 1,408,958.67, 1,944,363.66 and 764,378.69
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Solution
The fourth proportional to 1,408,958.67, 1,944,363.66 and 764,378.69 is: 1,054,842.96
Step by Step Solution
- Step 1: Write the proportion equation
1,408,958.67 : 1,944,363.66 = 764,378.69 : x - Step 2: Convert to fraction form
1,408,958.67/1,944,363.66 = 764,378.69/x - Step 3: Cross multiply
1,408,958.67x = 1,944,363.66 × 764,378.69 - Step 4: Simplify right side
1,408,958.67x = 1,486,230,137,592.59 - Step 5: Solve for x
x = 1,486,230,137,592.59/1,408,958.67 - Step 6: Final answer
x = 1,054,842.96
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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.