Finding the Fourth Proportional to 1,396,562.58, 2,095,762.41 and 765,919.26
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Solution
The fourth proportional to 1,396,562.58, 2,095,762.41 and 765,919.26 is: 1,149,382.65
Step by Step Solution
- Step 1: Write the proportion equation
1,396,562.58 : 2,095,762.41 = 765,919.26 : x - Step 2: Convert to fraction form
1,396,562.58/2,095,762.41 = 765,919.26/x - Step 3: Cross multiply
1,396,562.58x = 2,095,762.41 × 765,919.26 - Step 4: Simplify right side
1,396,562.58x = 1,605,184,794,203.02 - Step 5: Solve for x
x = 1,605,184,794,203.02/1,396,562.58 - Step 6: Final answer
x = 1,149,382.65
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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.