Finding the Fourth Proportional to 1,438,273.44, 1,984,780.76 and 793,685.20
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Solution
The fourth proportional to 1,438,273.44, 1,984,780.76 and 793,685.20 is: 1,095,265.39
Step by Step Solution
- Step 1: Write the proportion equation
1,438,273.44 : 1,984,780.76 = 793,685.20 : x - Step 2: Convert to fraction form
1,438,273.44/1,984,780.76 = 793,685.20/x - Step 3: Cross multiply
1,438,273.44x = 1,984,780.76 × 793,685.20 - Step 4: Simplify right side
1,438,273.44x = 1,575,291,114,456.75 - Step 5: Solve for x
x = 1,575,291,114,456.75/1,438,273.44 - Step 6: Final answer
x = 1,095,265.39
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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.