Home / 1,673,067.60-2,308,847.88-909,121.20

Finding the Fourth Proportional to 1,673,067.60, 2,308,847.88 and 909,121.20

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Solution

The fourth proportional to 1,673,067.60, 2,308,847.88 and 909,121.20 is: 1,254,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,067.60 : 2,308,847.88 = 909,121.20 : x
  2. Step 2: Convert to fraction form
    1,673,067.60/2,308,847.88 = 909,121.20/x
  3. Step 3: Cross multiply
    1,673,067.60x = 2,308,847.88 × 909,121.20
  4. Step 4: Simplify right side
    1,673,067.60x = 2,099,022,555,283.06
  5. Step 5: Solve for x
    x = 2,099,022,555,283.06/1,673,067.60
  6. Step 6: Final answer
    x = 1,254,595.19

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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.