Finding the Fourth Proportional to 1,119,794.97, 1,545,317.01 and 636,361.05
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Solution
The fourth proportional to 1,119,794.97, 1,545,317.01 and 636,361.05 is: 878,178.22
Step by Step Solution
- Step 1: Write the proportion equation
1,119,794.97 : 1,545,317.01 = 636,361.05 : x - Step 2: Convert to fraction form
1,119,794.97/1,545,317.01 = 636,361.05/x - Step 3: Cross multiply
1,119,794.97x = 1,545,317.01 × 636,361.05 - Step 4: Simplify right side
1,119,794.97x = 983,379,555,066.46 - Step 5: Solve for x
x = 983,379,555,066.46/1,119,794.97 - Step 6: Final answer
x = 878,178.22
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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.