Finding the Fourth Proportional to 1,379,235.44, 1,903,315.10 and 798,483.18
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Solution
The fourth proportional to 1,379,235.44, 1,903,315.10 and 798,483.18 is: 1,101,889.53
Step by Step Solution
- Step 1: Write the proportion equation
1,379,235.44 : 1,903,315.10 = 798,483.18 : x - Step 2: Convert to fraction form
1,379,235.44/1,903,315.10 = 798,483.18/x - Step 3: Cross multiply
1,379,235.44x = 1,903,315.10 × 798,483.18 - Step 4: Simplify right side
1,379,235.44x = 1,519,765,089,597.60 - Step 5: Solve for x
x = 1,519,765,089,597.60/1,379,235.44 - Step 6: Final answer
x = 1,101,889.53
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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.