Finding the Fourth Proportional to 1,258,798.21, 1,889,843.74 and 747,396.96
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Solution
The fourth proportional to 1,258,798.21, 1,889,843.74 and 747,396.96 is: 1,122,072.99
Step by Step Solution
- Step 1: Write the proportion equation
1,258,798.21 : 1,889,843.74 = 747,396.96 : x - Step 2: Convert to fraction form
1,258,798.21/1,889,843.74 = 747,396.96/x - Step 3: Cross multiply
1,258,798.21x = 1,889,843.74 × 747,396.96 - Step 4: Simplify right side
1,258,798.21x = 1,412,463,466,151.03 - Step 5: Solve for x
x = 1,412,463,466,151.03/1,258,798.21 - Step 6: Final answer
x = 1,122,072.99
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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.