Home / 1,106,680.80-1,659,794.40-307,761.60

Finding the Fourth Proportional to 1,106,680.80, 1,659,794.40 and 307,761.60

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Solution

The fourth proportional to 1,106,680.80, 1,659,794.40 and 307,761.60 is: 461,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,680.80 : 1,659,794.40 = 307,761.60 : x
  2. Step 2: Convert to fraction form
    1,106,680.80/1,659,794.40 = 307,761.60/x
  3. Step 3: Cross multiply
    1,106,680.80x = 1,659,794.40 × 307,761.60
  4. Step 4: Simplify right side
    1,106,680.80x = 510,820,980,215.04
  5. Step 5: Solve for x
    x = 510,820,980,215.04/1,106,680.80
  6. Step 6: Final answer
    x = 461,579.33

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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.