Finding the Fourth Proportional to 1,156,381.40, 1,735,163.05 and 772,392.09
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Solution
The fourth proportional to 1,156,381.40, 1,735,163.05 and 772,392.09 is: 1,158,982.85
Step by Step Solution
- Step 1: Write the proportion equation
1,156,381.40 : 1,735,163.05 = 772,392.09 : x - Step 2: Convert to fraction form
1,156,381.40/1,735,163.05 = 772,392.09/x - Step 3: Cross multiply
1,156,381.40x = 1,735,163.05 × 772,392.09 - Step 4: Simplify right side
1,156,381.40x = 1,340,226,214,680.27 - Step 5: Solve for x
x = 1,340,226,214,680.27/1,156,381.40 - Step 6: Final answer
x = 1,158,982.85
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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.