Home / 1,175,260.80-1,761,662.40-641,961.60

Finding the Fourth Proportional to 1,175,260.80, 1,761,662.40 and 641,961.60

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Solution

The fourth proportional to 1,175,260.80, 1,761,662.40 and 641,961.60 is: 962,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,260.80 : 1,761,662.40 = 641,961.60 : x
  2. Step 2: Convert to fraction form
    1,175,260.80/1,761,662.40 = 641,961.60/x
  3. Step 3: Cross multiply
    1,175,260.80x = 1,761,662.40 × 641,961.60
  4. Step 4: Simplify right side
    1,175,260.80x = 1,130,919,612,963.84
  5. Step 5: Solve for x
    x = 1,130,919,612,963.84/1,175,260.80
  6. Step 6: Final answer
    x = 962,271.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.