Finding the Fourth Proportional to 1,175,107.85, 1,621,051.99 and 767,448.32
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Solution
The fourth proportional to 1,175,107.85, 1,621,051.99 and 767,448.32 is: 1,058,688.89
Step by Step Solution
- Step 1: Write the proportion equation
1,175,107.85 : 1,621,051.99 = 767,448.32 : x - Step 2: Convert to fraction form
1,175,107.85/1,621,051.99 = 767,448.32/x - Step 3: Cross multiply
1,175,107.85x = 1,621,051.99 × 767,448.32 - Step 4: Simplify right side
1,175,107.85x = 1,244,073,625,452.69 - Step 5: Solve for x
x = 1,244,073,625,452.69/1,175,107.85 - Step 6: Final answer
x = 1,058,688.89
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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.