Finding the Fourth Proportional to 1,402,249.20, 2,103,082.20 and 603,556.80
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Solution
The fourth proportional to 1,402,249.20, 2,103,082.20 and 603,556.80 is: 905,209.69
Step by Step Solution
- Step 1: Write the proportion equation
1,402,249.20 : 2,103,082.20 = 603,556.80 : x - Step 2: Convert to fraction form
1,402,249.20/2,103,082.20 = 603,556.80/x - Step 3: Cross multiply
1,402,249.20x = 2,103,082.20 × 603,556.80 - Step 4: Simplify right side
1,402,249.20x = 1,269,329,562,768.96 - Step 5: Solve for x
x = 1,269,329,562,768.96/1,402,249.20 - Step 6: Final answer
x = 905,209.69
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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.