Finding the Fourth Proportional to 1,372,745.04, 1,893,747.36 and 863,728.08
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Solution
The fourth proportional to 1,372,745.04, 1,893,747.36 and 863,728.08 is: 1,191,541.56
Step by Step Solution
- Step 1: Write the proportion equation
1,372,745.04 : 1,893,747.36 = 863,728.08 : x - Step 2: Convert to fraction form
1,372,745.04/1,893,747.36 = 863,728.08/x - Step 3: Cross multiply
1,372,745.04x = 1,893,747.36 × 863,728.08 - Step 4: Simplify right side
1,372,745.04x = 1,635,682,771,257.87 - Step 5: Solve for x
x = 1,635,682,771,257.87/1,372,745.04 - Step 6: Final answer
x = 1,191,541.56
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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.