Finding the Fourth Proportional to 1,295,138.70, 1,942,708.05 and 735,266.70
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Solution
The fourth proportional to 1,295,138.70, 1,942,708.05 and 735,266.70 is: 1,102,900.05
Step by Step Solution
- Step 1: Write the proportion equation
1,295,138.70 : 1,942,708.05 = 735,266.70 : x - Step 2: Convert to fraction form
1,295,138.70/1,942,708.05 = 735,266.70/x - Step 3: Cross multiply
1,295,138.70x = 1,942,708.05 × 735,266.70 - Step 4: Simplify right side
1,295,138.70x = 1,428,408,536,986.94 - Step 5: Solve for x
x = 1,428,408,536,986.94/1,295,138.70 - Step 6: Final answer
x = 1,102,900.05
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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.