Finding the Fourth Proportional to 1,375,945.76, 1,898,768.88 and 764,079.68
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Solution
The fourth proportional to 1,375,945.76, 1,898,768.88 and 764,079.68 is: 1,054,409.82
Step by Step Solution
- Step 1: Write the proportion equation
1,375,945.76 : 1,898,768.88 = 764,079.68 : x - Step 2: Convert to fraction form
1,375,945.76/1,898,768.88 = 764,079.68/x - Step 3: Cross multiply
1,375,945.76x = 1,898,768.88 × 764,079.68 - Step 4: Simplify right side
1,375,945.76x = 1,450,810,718,224.36 - Step 5: Solve for x
x = 1,450,810,718,224.36/1,375,945.76 - Step 6: Final answer
x = 1,054,409.82
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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.