Finding the Fourth Proportional to 1,285,924.41, 1,925,102.80 and 858,399.85
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Solution
The fourth proportional to 1,285,924.41, 1,925,102.80 and 858,399.85 is: 1,285,073.95
Step by Step Solution
- Step 1: Write the proportion equation
1,285,924.41 : 1,925,102.80 = 858,399.85 : x - Step 2: Convert to fraction form
1,285,924.41/1,925,102.80 = 858,399.85/x - Step 3: Cross multiply
1,285,924.41x = 1,925,102.80 × 858,399.85 - Step 4: Simplify right side
1,285,924.41x = 1,652,507,954,754.58 - Step 5: Solve for x
x = 1,652,507,954,754.58/1,285,924.41 - Step 6: Final answer
x = 1,285,073.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.