Finding the Fourth Proportional to 1,119,741.37, 1,679,611.14 and 278,293.12
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Solution
The fourth proportional to 1,119,741.37, 1,679,611.14 and 278,293.12 is: 417,439.45
Step by Step Solution
- Step 1: Write the proportion equation
1,119,741.37 : 1,679,611.14 = 278,293.12 : x - Step 2: Convert to fraction form
1,119,741.37/1,679,611.14 = 278,293.12/x - Step 3: Cross multiply
1,119,741.37x = 1,679,611.14 × 278,293.12 - Step 4: Simplify right side
1,119,741.37x = 467,424,220,338.33 - Step 5: Solve for x
x = 467,424,220,338.33/1,119,741.37 - Step 6: Final answer
x = 417,439.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.