Finding the Fourth Proportional to 1,208,748.20, 1,668,309.21 and 692,847.99
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Solution
The fourth proportional to 1,208,748.20, 1,668,309.21 and 692,847.99 is: 956,265.90
Step by Step Solution
- Step 1: Write the proportion equation
1,208,748.20 : 1,668,309.21 = 692,847.99 : x - Step 2: Convert to fraction form
1,208,748.20/1,668,309.21 = 692,847.99/x - Step 3: Cross multiply
1,208,748.20x = 1,668,309.21 × 692,847.99 - Step 4: Simplify right side
1,208,748.20x = 1,155,884,682,846.99 - Step 5: Solve for x
x = 1,155,884,682,846.99/1,208,748.20 - Step 6: Final answer
x = 956,265.90
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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.