Finding the Fourth Proportional to 1,439,220.24, 1,986,201.72 and 794,638.44
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Solution
The fourth proportional to 1,439,220.24, 1,986,201.72 and 794,638.44 is: 1,096,644.00
Step by Step Solution
- Step 1: Write the proportion equation
1,439,220.24 : 1,986,201.72 = 794,638.44 : x - Step 2: Convert to fraction form
1,439,220.24/1,986,201.72 = 794,638.44/x - Step 3: Cross multiply
1,439,220.24x = 1,986,201.72 × 794,638.44 - Step 4: Simplify right side
1,439,220.24x = 1,578,312,236,306.12 - Step 5: Solve for x
x = 1,578,312,236,306.12/1,439,220.24 - Step 6: Final answer
x = 1,096,644.00
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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.