Finding the Fourth Proportional to 1,378,781.94, 1,902,833.99 and 767,049.94
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Solution
The fourth proportional to 1,378,781.94, 1,902,833.99 and 767,049.94 is: 1,058,592.85
Step by Step Solution
- Step 1: Write the proportion equation
1,378,781.94 : 1,902,833.99 = 767,049.94 : x - Step 2: Convert to fraction form
1,378,781.94/1,902,833.99 = 767,049.94/x - Step 3: Cross multiply
1,378,781.94x = 1,902,833.99 × 767,049.94 - Step 4: Simplify right side
1,378,781.94x = 1,459,568,697,859.46 - Step 5: Solve for x
x = 1,459,568,697,859.46/1,378,781.94 - Step 6: Final answer
x = 1,058,592.85
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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.