Finding the Fourth Proportional to 1,119,135.20, 1,675,130.70 and 882,939.20
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Solution
The fourth proportional to 1,119,135.20, 1,675,130.70 and 882,939.20 is: 1,321,590.60
Step by Step Solution
- Step 1: Write the proportion equation
1,119,135.20 : 1,675,130.70 = 882,939.20 : x - Step 2: Convert to fraction form
1,119,135.20/1,675,130.70 = 882,939.20/x - Step 3: Cross multiply
1,119,135.20x = 1,675,130.70 × 882,939.20 - Step 4: Simplify right side
1,119,135.20x = 1,479,038,560,153.44 - Step 5: Solve for x
x = 1,479,038,560,153.44/1,119,135.20 - Step 6: Final answer
x = 1,321,590.60
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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.