Finding the Fourth Proportional to 1,376,057.48, 1,898,984.76 and 764,266.90
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Solution
The fourth proportional to 1,376,057.48, 1,898,984.76 and 764,266.90 is: 1,054,702.45
Step by Step Solution
- Step 1: Write the proportion equation
1,376,057.48 : 1,898,984.76 = 764,266.90 : x - Step 2: Convert to fraction form
1,376,057.48/1,898,984.76 = 764,266.90/x - Step 3: Cross multiply
1,376,057.48x = 1,898,984.76 × 764,266.90 - Step 4: Simplify right side
1,376,057.48x = 1,451,331,195,672.44 - Step 5: Solve for x
x = 1,451,331,195,672.44/1,376,057.48 - Step 6: Final answer
x = 1,054,702.45
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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.