Finding the Fourth Proportional to 1,376,757.48, 1,900,198.67 and 879,723.66
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Solution
The fourth proportional to 1,376,757.48, 1,900,198.67 and 879,723.66 is: 1,214,193.31
Step by Step Solution
- Step 1: Write the proportion equation
1,376,757.48 : 1,900,198.67 = 879,723.66 : x - Step 2: Convert to fraction form
1,376,757.48/1,900,198.67 = 879,723.66/x - Step 3: Cross multiply
1,376,757.48x = 1,900,198.67 × 879,723.66 - Step 4: Simplify right side
1,376,757.48x = 1,671,649,724,300.91 - Step 5: Solve for x
x = 1,671,649,724,300.91/1,376,757.48 - Step 6: Final answer
x = 1,214,193.31
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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.