Finding the Fourth Proportional to 1,255,285.37, 1,883,729.97 and 456,490.91
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Solution
The fourth proportional to 1,255,285.37, 1,883,729.97 and 456,490.91 is: 685,027.99
Step by Step Solution
- Step 1: Write the proportion equation
1,255,285.37 : 1,883,729.97 = 456,490.91 : x - Step 2: Convert to fraction form
1,255,285.37/1,883,729.97 = 456,490.91/x - Step 3: Cross multiply
1,255,285.37x = 1,883,729.97 × 456,490.91 - Step 4: Simplify right side
1,255,285.37x = 859,905,612,908.90 - Step 5: Solve for x
x = 859,905,612,908.90/1,255,285.37 - Step 6: Final answer
x = 685,027.99
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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.