Finding the Fourth Proportional to 1,126,107.36, 1,554,028.56 and 616,818.24
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Solution
The fourth proportional to 1,126,107.36, 1,554,028.56 and 616,818.24 is: 851,209.39
Step by Step Solution
- Step 1: Write the proportion equation
1,126,107.36 : 1,554,028.56 = 616,818.24 : x - Step 2: Convert to fraction form
1,126,107.36/1,554,028.56 = 616,818.24/x - Step 3: Cross multiply
1,126,107.36x = 1,554,028.56 × 616,818.24 - Step 4: Simplify right side
1,126,107.36x = 958,553,161,288.94 - Step 5: Solve for x
x = 958,553,161,288.94/1,126,107.36 - Step 6: Final answer
x = 851,209.39
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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.