Finding the Fourth Proportional to 1,188,014.36, 1,781,932.01 and 378,366.12
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Solution
The fourth proportional to 1,188,014.36, 1,781,932.01 and 378,366.12 is: 567,520.67
Step by Step Solution
- Step 1: Write the proportion equation
1,188,014.36 : 1,781,932.01 = 378,366.12 : x - Step 2: Convert to fraction form
1,188,014.36/1,781,932.01 = 378,366.12/x - Step 3: Cross multiply
1,188,014.36x = 1,781,932.01 × 378,366.12 - Step 4: Simplify right side
1,188,014.36x = 674,222,698,835.67 - Step 5: Solve for x
x = 674,222,698,835.67/1,188,014.36 - Step 6: Final answer
x = 567,520.67
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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.