Finding the Fourth Proportional to 1,121,701.36, 1,681,152.36 and 560,896.24
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Solution
The fourth proportional to 1,121,701.36, 1,681,152.36 and 560,896.24 is: 840,644.46
Step by Step Solution
- Step 1: Write the proportion equation
1,121,701.36 : 1,681,152.36 = 560,896.24 : x - Step 2: Convert to fraction form
1,121,701.36/1,681,152.36 = 560,896.24/x - Step 3: Cross multiply
1,121,701.36x = 1,681,152.36 × 560,896.24 - Step 4: Simplify right side
1,121,701.36x = 942,952,037,591.13 - Step 5: Solve for x
x = 942,952,037,591.13/1,121,701.36 - Step 6: Final answer
x = 840,644.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.