Finding the Fourth Proportional to 1,365,943.94, 1,885,249.38 and 814,694.99
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Solution
The fourth proportional to 1,365,943.94, 1,885,249.38 and 814,694.99 is: 1,124,426.25
Step by Step Solution
- Step 1: Write the proportion equation
1,365,943.94 : 1,885,249.38 = 814,694.99 : x - Step 2: Convert to fraction form
1,365,943.94/1,885,249.38 = 814,694.99/x - Step 3: Cross multiply
1,365,943.94x = 1,885,249.38 × 814,694.99 - Step 4: Simplify right side
1,365,943.94x = 1,535,903,215,360.36 - Step 5: Solve for x
x = 1,535,903,215,360.36/1,365,943.94 - Step 6: Final answer
x = 1,124,426.25
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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.