Home / 1,470,469.60-2,205,704.40-839,447.20

Finding the Fourth Proportional to 1,470,469.60, 2,205,704.40 and 839,447.20

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Solution

The fourth proportional to 1,470,469.60, 2,205,704.40 and 839,447.20 is: 1,259,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,469.60 : 2,205,704.40 = 839,447.20 : x
  2. Step 2: Convert to fraction form
    1,470,469.60/2,205,704.40 = 839,447.20/x
  3. Step 3: Cross multiply
    1,470,469.60x = 2,205,704.40 × 839,447.20
  4. Step 4: Simplify right side
    1,470,469.60x = 1,851,572,382,607.68
  5. Step 5: Solve for x
    x = 1,851,572,382,607.68/1,470,469.60
  6. Step 6: Final answer
    x = 1,259,170.80

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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.