Finding the Fourth Proportional to 1,252,467.23, 1,728,408.08 and 679,507.40
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Solution
The fourth proportional to 1,252,467.23, 1,728,408.08 and 679,507.40 is: 937,722.00
Step by Step Solution
- Step 1: Write the proportion equation
1,252,467.23 : 1,728,408.08 = 679,507.40 : x - Step 2: Convert to fraction form
1,252,467.23/1,728,408.08 = 679,507.40/x - Step 3: Cross multiply
1,252,467.23x = 1,728,408.08 × 679,507.40 - Step 4: Simplify right side
1,252,467.23x = 1,174,466,068,540.21 - Step 5: Solve for x
x = 1,174,466,068,540.21/1,252,467.23 - Step 6: Final answer
x = 937,722.00
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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.