Finding the Fourth Proportional to 886,447.53, 1,321,238.79 and 835,997.49
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Solution
The fourth proportional to 886,447.53, 1,321,238.79 and 835,997.49 is: 1,246,043.65
Step by Step Solution
- Step 1: Write the proportion equation
886,447.53 : 1,321,238.79 = 835,997.49 : x - Step 2: Convert to fraction form
886,447.53/1,321,238.79 = 835,997.49/x - Step 3: Cross multiply
886,447.53x = 1,321,238.79 × 835,997.49 - Step 4: Simplify right side
886,447.53x = 1,104,552,312,130.64 - Step 5: Solve for x
x = 1,104,552,312,130.64/886,447.53 - Step 6: Final answer
x = 1,246,043.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.