Finding the Fourth Proportional to 1,258,797.21, 1,889,842.24 and 747,395.96
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Solution
The fourth proportional to 1,258,797.21, 1,889,842.24 and 747,395.96 is: 1,122,071.49
Step by Step Solution
- Step 1: Write the proportion equation
1,258,797.21 : 1,889,842.24 = 747,395.96 : x - Step 2: Convert to fraction form
1,258,797.21/1,889,842.24 = 747,395.96/x - Step 3: Cross multiply
1,258,797.21x = 1,889,842.24 × 747,395.96 - Step 4: Simplify right side
1,258,797.21x = 1,412,460,453,124.64 - Step 5: Solve for x
x = 1,412,460,453,124.64/1,258,797.21 - Step 6: Final answer
x = 1,122,071.49
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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.