Finding the Fourth Proportional to 1,276,314.91, 1,761,351.48 and 703,391.99
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Solution
The fourth proportional to 1,276,314.91, 1,761,351.48 and 703,391.99 is: 970,701.28
Step by Step Solution
- Step 1: Write the proportion equation
1,276,314.91 : 1,761,351.48 = 703,391.99 : x - Step 2: Convert to fraction form
1,276,314.91/1,761,351.48 = 703,391.99/x - Step 3: Cross multiply
1,276,314.91x = 1,761,351.48 × 703,391.99 - Step 4: Simplify right side
1,276,314.91x = 1,238,920,513,799.89 - Step 5: Solve for x
x = 1,238,920,513,799.89/1,276,314.91 - Step 6: Final answer
x = 970,701.28
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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.