Finding the Fourth Proportional to 1,431,644.58, 1,975,552.02 and 842,850.36
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Solution
The fourth proportional to 1,431,644.58, 1,975,552.02 and 842,850.36 is: 1,163,064.32
Step by Step Solution
- Step 1: Write the proportion equation
1,431,644.58 : 1,975,552.02 = 842,850.36 : x - Step 2: Convert to fraction form
1,431,644.58/1,975,552.02 = 842,850.36/x - Step 3: Cross multiply
1,431,644.58x = 1,975,552.02 × 842,850.36 - Step 4: Simplify right side
1,431,644.58x = 1,665,094,731,255.73 - Step 5: Solve for x
x = 1,665,094,731,255.73/1,431,644.58 - Step 6: Final answer
x = 1,163,064.32
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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.