Finding the Fourth Proportional to 1,376,148.14, 1,899,088.84 and 764,300.79
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Solution
The fourth proportional to 1,376,148.14, 1,899,088.84 and 764,300.79 is: 1,054,737.54
Step by Step Solution
- Step 1: Write the proportion equation
1,376,148.14 : 1,899,088.84 = 764,300.79 : x - Step 2: Convert to fraction form
1,376,148.14/1,899,088.84 = 764,300.79/x - Step 3: Cross multiply
1,376,148.14x = 1,899,088.84 × 764,300.79 - Step 4: Simplify right side
1,376,148.14x = 1,451,475,100,692.18 - Step 5: Solve for x
x = 1,451,475,100,692.18/1,376,148.14 - Step 6: Final answer
x = 1,054,737.54
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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.