Finding the Fourth Proportional to 1,115,965.09, 1,674,163.09 and 476,259.49
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Solution
The fourth proportional to 1,115,965.09, 1,674,163.09 and 476,259.49 is: 714,481.18
Step by Step Solution
- Step 1: Write the proportion equation
1,115,965.09 : 1,674,163.09 = 476,259.49 : x - Step 2: Convert to fraction form
1,115,965.09/1,674,163.09 = 476,259.49/x - Step 3: Cross multiply
1,115,965.09x = 1,674,163.09 × 476,259.49 - Step 4: Simplify right side
1,115,965.09x = 797,336,051,049.41 - Step 5: Solve for x
x = 797,336,051,049.41/1,115,965.09 - Step 6: Final answer
x = 714,481.18
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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.