Finding the Fourth Proportional to 1,376,688.99, 2,064,324.41 and 617,879.96
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Solution
The fourth proportional to 1,376,688.99, 2,064,324.41 and 617,879.96 is: 926,501.69
Step by Step Solution
- Step 1: Write the proportion equation
1,376,688.99 : 2,064,324.41 = 617,879.96 : x - Step 2: Convert to fraction form
1,376,688.99/2,064,324.41 = 617,879.96/x - Step 3: Cross multiply
1,376,688.99x = 2,064,324.41 × 617,879.96 - Step 4: Simplify right side
1,376,688.99x = 1,275,504,675,100.90 - Step 5: Solve for x
x = 1,275,504,675,100.90/1,376,688.99 - Step 6: Final answer
x = 926,501.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.