Finding the Fourth Proportional to 1,419,698.16, 1,959,107.04 and 775,108.80
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Solution
The fourth proportional to 1,419,698.16, 1,959,107.04 and 775,108.80 is: 1,069,608.42
Step by Step Solution
- Step 1: Write the proportion equation
1,419,698.16 : 1,959,107.04 = 775,108.80 : x - Step 2: Convert to fraction form
1,419,698.16/1,959,107.04 = 775,108.80/x - Step 3: Cross multiply
1,419,698.16x = 1,959,107.04 × 775,108.80 - Step 4: Simplify right side
1,419,698.16x = 1,518,521,106,845.95 - Step 5: Solve for x
x = 1,518,521,106,845.95/1,419,698.16 - Step 6: Final answer
x = 1,069,608.42
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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.