Finding the Fourth Proportional to 1,028,148.21, 1,418,863.37 and 575,438.13
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Solution
The fourth proportional to 1,028,148.21, 1,418,863.37 and 575,438.13 is: 794,115.16
Step by Step Solution
- Step 1: Write the proportion equation
1,028,148.21 : 1,418,863.37 = 575,438.13 : x - Step 2: Convert to fraction form
1,028,148.21/1,418,863.37 = 575,438.13/x - Step 3: Cross multiply
1,028,148.21x = 1,418,863.37 × 575,438.13 - Step 4: Simplify right side
1,028,148.21x = 816,468,081,481.11 - Step 5: Solve for x
x = 816,468,081,481.11/1,028,148.21 - Step 6: Final answer
x = 794,115.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.