Finding the Fourth Proportional to 1,419,899.58, 1,959,470.91 and 775,324.26
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Solution
The fourth proportional to 1,419,899.58, 1,959,470.91 and 775,324.26 is: 1,069,952.66
Step by Step Solution
- Step 1: Write the proportion equation
1,419,899.58 : 1,959,470.91 = 775,324.26 : x - Step 2: Convert to fraction form
1,419,899.58/1,959,470.91 = 775,324.26/x - Step 3: Cross multiply
1,419,899.58x = 1,959,470.91 × 775,324.26 - Step 4: Simplify right side
1,419,899.58x = 1,519,225,333,287.28 - Step 5: Solve for x
x = 1,519,225,333,287.28/1,419,899.58 - Step 6: Final answer
x = 1,069,952.66
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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.