Finding the Fourth Proportional to 1,568,357.76, 2,352,782.80 and 669,804.12
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Solution
The fourth proportional to 1,568,357.76, 2,352,782.80 and 669,804.12 is: 1,004,811.31
Step by Step Solution
- Step 1: Write the proportion equation
1,568,357.76 : 2,352,782.80 = 669,804.12 : x - Step 2: Convert to fraction form
1,568,357.76/2,352,782.80 = 669,804.12/x - Step 3: Cross multiply
1,568,357.76x = 2,352,782.80 × 669,804.12 - Step 4: Simplify right side
1,568,357.76x = 1,575,903,612,905.14 - Step 5: Solve for x
x = 1,575,903,612,905.14/1,568,357.76 - Step 6: Final answer
x = 1,004,811.31
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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.