Finding the Fourth Proportional to 1,214,262.74, 1,821,189.36 and 445,601.48
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Solution
The fourth proportional to 1,214,262.74, 1,821,189.36 and 445,601.48 is: 668,327.08
Step by Step Solution
- Step 1: Write the proportion equation
1,214,262.74 : 1,821,189.36 = 445,601.48 : x - Step 2: Convert to fraction form
1,214,262.74/1,821,189.36 = 445,601.48/x - Step 3: Cross multiply
1,214,262.74x = 1,821,189.36 × 445,601.48 - Step 4: Simplify right side
1,214,262.74x = 811,524,674,176.25 - Step 5: Solve for x
x = 811,524,674,176.25/1,214,262.74 - Step 6: Final answer
x = 668,327.08
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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.