Finding the Fourth Proportional to 1,281,173.63, 1,768,040.62 and 764,972.62
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Solution
The fourth proportional to 1,281,173.63, 1,768,040.62 and 764,972.62 is: 1,055,674.76
Step by Step Solution
- Step 1: Write the proportion equation
1,281,173.63 : 1,768,040.62 = 764,972.62 : x - Step 2: Convert to fraction form
1,281,173.63/1,768,040.62 = 764,972.62/x - Step 3: Cross multiply
1,281,173.63x = 1,768,040.62 × 764,972.62 - Step 4: Simplify right side
1,281,173.63x = 1,352,502,659,015.29 - Step 5: Solve for x
x = 1,352,502,659,015.29/1,281,173.63 - Step 6: Final answer
x = 1,055,674.76
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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.