Finding the Fourth Proportional to 1,276,315.91, 1,761,352.86 and 703,392.99
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Solution
The fourth proportional to 1,276,315.91, 1,761,352.86 and 703,392.99 is: 970,702.66
Step by Step Solution
- Step 1: Write the proportion equation
1,276,315.91 : 1,761,352.86 = 703,392.99 : x - Step 2: Convert to fraction form
1,276,315.91/1,761,352.86 = 703,392.99/x - Step 3: Cross multiply
1,276,315.91x = 1,761,352.86 × 703,392.99 - Step 4: Simplify right side
1,276,315.91x = 1,238,923,254,640.45 - Step 5: Solve for x
x = 1,238,923,254,640.45/1,276,315.91 - Step 6: Final answer
x = 970,702.66
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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.