Finding the Fourth Proportional to 1,276,343.07, 1,761,390.34 and 703,420.14
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Solution
The fourth proportional to 1,276,343.07, 1,761,390.34 and 703,420.14 is: 970,740.14
Step by Step Solution
- Step 1: Write the proportion equation
1,276,343.07 : 1,761,390.34 = 703,420.14 : x - Step 2: Convert to fraction form
1,276,343.07/1,761,390.34 = 703,420.14/x - Step 3: Cross multiply
1,276,343.07x = 1,761,390.34 × 703,420.14 - Step 4: Simplify right side
1,276,343.07x = 1,238,997,448,360.85 - Step 5: Solve for x
x = 1,238,997,448,360.85/1,276,343.07 - Step 6: Final answer
x = 970,740.14
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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.