Finding the Fourth Proportional to 1,072,203.28, 1,479,644.55 and 582,173.53
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Solution
The fourth proportional to 1,072,203.28, 1,479,644.55 and 582,173.53 is: 803,401.65
Step by Step Solution
- Step 1: Write the proportion equation
1,072,203.28 : 1,479,644.55 = 582,173.53 : x - Step 2: Convert to fraction form
1,072,203.28/1,479,644.55 = 582,173.53/x - Step 3: Cross multiply
1,072,203.28x = 1,479,644.55 × 582,173.53 - Step 4: Simplify right side
1,072,203.28x = 861,409,887,119.65 - Step 5: Solve for x
x = 861,409,887,119.65/1,072,203.28 - Step 6: Final answer
x = 803,401.65
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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.