Finding the Fourth Proportional to 1,048,306.81, 1,446,563.46 and 612,825.97
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Solution
The fourth proportional to 1,048,306.81, 1,446,563.46 and 612,825.97 is: 845,641.42
Step by Step Solution
- Step 1: Write the proportion equation
1,048,306.81 : 1,446,563.46 = 612,825.97 : x - Step 2: Convert to fraction form
1,048,306.81/1,446,563.46 = 612,825.97/x - Step 3: Cross multiply
1,048,306.81x = 1,446,563.46 × 612,825.97 - Step 4: Simplify right side
1,048,306.81x = 886,491,655,541.06 - Step 5: Solve for x
x = 886,491,655,541.06/1,048,306.81 - Step 6: Final answer
x = 845,641.42
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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.