Finding the Fourth Proportional to 1,375,610.20, 1,898,401.37 and 763,762.99
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Solution
The fourth proportional to 1,375,610.20, 1,898,401.37 and 763,762.99 is: 1,054,025.85
Step by Step Solution
- Step 1: Write the proportion equation
1,375,610.20 : 1,898,401.37 = 763,762.99 : x - Step 2: Convert to fraction form
1,375,610.20/1,898,401.37 = 763,762.99/x - Step 3: Cross multiply
1,375,610.20x = 1,898,401.37 × 763,762.99 - Step 4: Simplify right side
1,375,610.20x = 1,449,928,706,571.30 - Step 5: Solve for x
x = 1,449,928,706,571.30/1,375,610.20 - Step 6: Final answer
x = 1,054,025.85
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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.