Finding the Fourth Proportional to 1,325,857.08, 1,829,629.20 and 810,474.12
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Solution
The fourth proportional to 1,325,857.08, 1,829,629.20 and 810,474.12 is: 1,118,421.54
Step by Step Solution
- Step 1: Write the proportion equation
1,325,857.08 : 1,829,629.20 = 810,474.12 : x - Step 2: Convert to fraction form
1,325,857.08/1,829,629.20 = 810,474.12/x - Step 3: Cross multiply
1,325,857.08x = 1,829,629.20 × 810,474.12 - Step 4: Simplify right side
1,325,857.08x = 1,482,867,115,796.30 - Step 5: Solve for x
x = 1,482,867,115,796.30/1,325,857.08 - Step 6: Final answer
x = 1,118,421.54
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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.