Finding the Fourth Proportional to 1,175,503.98, 1,622,372.82 and 716,884.62
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Solution
The fourth proportional to 1,175,503.98, 1,622,372.82 and 716,884.62 is: 989,408.92
Step by Step Solution
- Step 1: Write the proportion equation
1,175,503.98 : 1,622,372.82 = 716,884.62 : x - Step 2: Convert to fraction form
1,175,503.98/1,622,372.82 = 716,884.62/x - Step 3: Cross multiply
1,175,503.98x = 1,622,372.82 × 716,884.62 - Step 4: Simplify right side
1,175,503.98x = 1,163,054,122,564.03 - Step 5: Solve for x
x = 1,163,054,122,564.03/1,175,503.98 - Step 6: Final answer
x = 989,408.92
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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.