Finding the Fourth Proportional to 1,103,347.58, 1,522,620.99 and 619,912.44
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Solution
The fourth proportional to 1,103,347.58, 1,522,620.99 and 619,912.44 is: 855,479.92
Step by Step Solution
- Step 1: Write the proportion equation
1,103,347.58 : 1,522,620.99 = 619,912.44 : x - Step 2: Convert to fraction form
1,103,347.58/1,522,620.99 = 619,912.44/x - Step 3: Cross multiply
1,103,347.58x = 1,522,620.99 × 619,912.44 - Step 4: Simplify right side
1,103,347.58x = 943,891,693,106.12 - Step 5: Solve for x
x = 943,891,693,106.12/1,103,347.58 - Step 6: Final answer
x = 855,479.92
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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.