Finding the Fourth Proportional to 1,337,438.67, 1,845,665.13 and 764,491.14
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Solution
The fourth proportional to 1,337,438.67, 1,845,665.13 and 764,491.14 is: 1,054,997.64
Step by Step Solution
- Step 1: Write the proportion equation
1,337,438.67 : 1,845,665.13 = 764,491.14 : x - Step 2: Convert to fraction form
1,337,438.67/1,845,665.13 = 764,491.14/x - Step 3: Cross multiply
1,337,438.67x = 1,845,665.13 × 764,491.14 - Step 4: Simplify right side
1,337,438.67x = 1,410,994,639,291.95 - Step 5: Solve for x
x = 1,410,994,639,291.95/1,337,438.67 - Step 6: Final answer
x = 1,054,997.64
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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.