Finding the Fourth Proportional to 1,342,297.12, 1,852,408.98 and 730,489.36
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Solution
The fourth proportional to 1,342,297.12, 1,852,408.98 and 730,489.36 is: 1,008,096.52
Step by Step Solution
- Step 1: Write the proportion equation
1,342,297.12 : 1,852,408.98 = 730,489.36 : x - Step 2: Convert to fraction form
1,342,297.12/1,852,408.98 = 730,489.36/x - Step 3: Cross multiply
1,342,297.12x = 1,852,408.98 × 730,489.36 - Step 4: Simplify right side
1,342,297.12x = 1,353,165,050,258.45 - Step 5: Solve for x
x = 1,353,165,050,258.45/1,342,297.12 - Step 6: Final answer
x = 1,008,096.52
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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.