Finding the Fourth Proportional to 1,286,231.84, 1,774,989.96 and 713,273.48
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Solution
The fourth proportional to 1,286,231.84, 1,774,989.96 and 713,273.48 is: 984,311.87
Step by Step Solution
- Step 1: Write the proportion equation
1,286,231.84 : 1,774,989.96 = 713,273.48 : x - Step 2: Convert to fraction form
1,286,231.84/1,774,989.96 = 713,273.48/x - Step 3: Cross multiply
1,286,231.84x = 1,774,989.96 × 713,273.48 - Step 4: Simplify right side
1,286,231.84x = 1,266,053,265,734.26 - Step 5: Solve for x
x = 1,266,053,265,734.26/1,286,231.84 - Step 6: Final answer
x = 984,311.87
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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.