Finding the Fourth Proportional to 1,102,529.83, 1,651,383.58 and 781,709.23
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Solution
The fourth proportional to 1,102,529.83, 1,651,383.58 and 781,709.23 is: 1,170,854.30
Step by Step Solution
- Step 1: Write the proportion equation
1,102,529.83 : 1,651,383.58 = 781,709.23 : x - Step 2: Convert to fraction form
1,102,529.83/1,651,383.58 = 781,709.23/x - Step 3: Cross multiply
1,102,529.83x = 1,651,383.58 × 781,709.23 - Step 4: Simplify right side
1,102,529.83x = 1,290,901,790,104.74 - Step 5: Solve for x
x = 1,290,901,790,104.74/1,102,529.83 - Step 6: Final answer
x = 1,170,854.30
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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.