Finding the Fourth Proportional to 1,276,312.36, 1,761,311.06 and 703,352.53
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Solution
The fourth proportional to 1,276,312.36, 1,761,311.06 and 703,352.53 is: 970,626.49
Step by Step Solution
- Step 1: Write the proportion equation
1,276,312.36 : 1,761,311.06 = 703,352.53 : x - Step 2: Convert to fraction form
1,276,312.36/1,761,311.06 = 703,352.53/x - Step 3: Cross multiply
1,276,312.36x = 1,761,311.06 × 703,352.53 - Step 4: Simplify right side
1,276,312.36x = 1,238,822,589,512.25 - Step 5: Solve for x
x = 1,238,822,589,512.25/1,276,312.36 - Step 6: Final answer
x = 970,626.49
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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.