Finding the Fourth Proportional to 1,126,165.24, 1,554,108.69 and 616,876.12
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Solution
The fourth proportional to 1,126,165.24, 1,554,108.69 and 616,876.12 is: 851,289.41
Step by Step Solution
- Step 1: Write the proportion equation
1,126,165.24 : 1,554,108.69 = 616,876.12 : x - Step 2: Convert to fraction form
1,126,165.24/1,554,108.69 = 616,876.12/x - Step 3: Cross multiply
1,126,165.24x = 1,554,108.69 × 616,876.12 - Step 4: Simplify right side
1,126,165.24x = 958,692,538,745.48 - Step 5: Solve for x
x = 958,692,538,745.48/1,126,165.24 - Step 6: Final answer
x = 851,289.41
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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.