Finding the Fourth Proportional to 1,388,828.87, 2,081,777.84 and 748,958.46
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Solution
The fourth proportional to 1,388,828.87, 2,081,777.84 and 748,958.46 is: 1,122,647.40
Step by Step Solution
- Step 1: Write the proportion equation
1,388,828.87 : 2,081,777.84 = 748,958.46 : x - Step 2: Convert to fraction form
1,388,828.87/2,081,777.84 = 748,958.46/x - Step 3: Cross multiply
1,388,828.87x = 2,081,777.84 × 748,958.46 - Step 4: Simplify right side
1,388,828.87x = 1,559,165,120,114.22 - Step 5: Solve for x
x = 1,559,165,120,114.22/1,388,828.87 - Step 6: Final answer
x = 1,122,647.40
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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.