Finding the Fourth Proportional to 1,376,069.44, 1,899,038.97 and 764,225.05
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Solution
The fourth proportional to 1,376,069.44, 1,899,038.97 and 764,225.05 is: 1,054,665.64
Step by Step Solution
- Step 1: Write the proportion equation
1,376,069.44 : 1,899,038.97 = 764,225.05 : x - Step 2: Convert to fraction form
1,376,069.44/1,899,038.97 = 764,225.05/x - Step 3: Cross multiply
1,376,069.44x = 1,899,038.97 × 764,225.05 - Step 4: Simplify right side
1,376,069.44x = 1,451,293,151,800.20 - Step 5: Solve for x
x = 1,451,293,151,800.20/1,376,069.44 - Step 6: Final answer
x = 1,054,665.64
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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.