Finding the Fourth Proportional to 1,375,609.20, 1,898,399.99 and 763,761.99
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Solution
The fourth proportional to 1,375,609.20, 1,898,399.99 and 763,761.99 is: 1,054,024.47
Step by Step Solution
- Step 1: Write the proportion equation
1,375,609.20 : 1,898,399.99 = 763,761.99 : x - Step 2: Convert to fraction form
1,375,609.20/1,898,399.99 = 763,761.99/x - Step 3: Cross multiply
1,375,609.20x = 1,898,399.99 × 763,761.99 - Step 4: Simplify right side
1,375,609.20x = 1,449,925,758,910.62 - Step 5: Solve for x
x = 1,449,925,758,910.62/1,375,609.20 - Step 6: Final answer
x = 1,054,024.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.