Finding the Fourth Proportional to 1,113,103.26, 1,669,787.94 and 393,295.98
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Solution
The fourth proportional to 1,113,103.26, 1,669,787.94 and 393,295.98 is: 589,990.98
Step by Step Solution
- Step 1: Write the proportion equation
1,113,103.26 : 1,669,787.94 = 393,295.98 : x - Step 2: Convert to fraction form
1,113,103.26/1,669,787.94 = 393,295.98/x - Step 3: Cross multiply
1,113,103.26x = 1,669,787.94 × 393,295.98 - Step 4: Simplify right side
1,113,103.26x = 656,720,884,254.48 - Step 5: Solve for x
x = 656,720,884,254.48/1,113,103.26 - Step 6: Final answer
x = 589,990.98
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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.