Finding the Fourth Proportional to 1,175,120.64, 1,621,069.56 and 767,461.08
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Solution
The fourth proportional to 1,175,120.64, 1,621,069.56 and 767,461.08 is: 1,058,706.45
Step by Step Solution
- Step 1: Write the proportion equation
1,175,120.64 : 1,621,069.56 = 767,461.08 : x - Step 2: Convert to fraction form
1,175,120.64/1,621,069.56 = 767,461.08/x - Step 3: Cross multiply
1,175,120.64x = 1,621,069.56 × 767,461.08 - Step 4: Simplify right side
1,175,120.64x = 1,244,107,795,272.72 - Step 5: Solve for x
x = 1,244,107,795,272.72/1,175,120.64 - Step 6: Final answer
x = 1,058,706.45
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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.