Finding the Fourth Proportional to 1,330,896.44, 1,997,379.90 and 928,925.84
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Solution
The fourth proportional to 1,330,896.44, 1,997,379.90 and 928,925.84 is: 1,394,111.33
Step by Step Solution
- Step 1: Write the proportion equation
1,330,896.44 : 1,997,379.90 = 928,925.84 : x - Step 2: Convert to fraction form
1,330,896.44/1,997,379.90 = 928,925.84/x - Step 3: Cross multiply
1,330,896.44x = 1,997,379.90 × 928,925.84 - Step 4: Simplify right side
1,330,896.44x = 1,855,417,801,406.62 - Step 5: Solve for x
x = 1,855,417,801,406.62/1,330,896.44 - Step 6: Final answer
x = 1,394,111.33
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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.