Finding the Fourth Proportional to 1,408,195.26, 1,943,321.63 and 763,615.49
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Solution
The fourth proportional to 1,408,195.26, 1,943,321.63 and 763,615.49 is: 1,053,795.97
Step by Step Solution
- Step 1: Write the proportion equation
1,408,195.26 : 1,943,321.63 = 763,615.49 : x - Step 2: Convert to fraction form
1,408,195.26/1,943,321.63 = 763,615.49/x - Step 3: Cross multiply
1,408,195.26x = 1,943,321.63 × 763,615.49 - Step 4: Simplify right side
1,408,195.26x = 1,483,950,485,185.36 - Step 5: Solve for x
x = 1,483,950,485,185.36/1,408,195.26 - Step 6: Final answer
x = 1,053,795.97
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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.