Finding the Fourth Proportional to 1,276,347.79, 1,761,351.10 and 703,388.62
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Solution
The fourth proportional to 1,276,347.79, 1,761,351.10 and 703,388.62 is: 970,671.42
Step by Step Solution
- Step 1: Write the proportion equation
1,276,347.79 : 1,761,351.10 = 703,388.62 : x - Step 2: Convert to fraction form
1,276,347.79/1,761,351.10 = 703,388.62/x - Step 3: Cross multiply
1,276,347.79x = 1,761,351.10 × 703,388.62 - Step 4: Simplify right side
1,276,347.79x = 1,238,914,319,564.48 - Step 5: Solve for x
x = 1,238,914,319,564.48/1,276,347.79 - Step 6: Final answer
x = 970,671.42
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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.