Finding the Fourth Proportional to 1,317,846.10, 1,818,740.37 and 744,988.18
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Solution
The fourth proportional to 1,317,846.10, 1,818,740.37 and 744,988.18 is: 1,028,147.43
Step by Step Solution
- Step 1: Write the proportion equation
1,317,846.10 : 1,818,740.37 = 744,988.18 : x - Step 2: Convert to fraction form
1,317,846.10/1,818,740.37 = 744,988.18/x - Step 3: Cross multiply
1,317,846.10x = 1,818,740.37 × 744,988.18 - Step 4: Simplify right side
1,317,846.10x = 1,354,940,078,138.83 - Step 5: Solve for x
x = 1,354,940,078,138.83/1,317,846.10 - Step 6: Final answer
x = 1,028,147.43
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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.