Home / 1,634,136.80-2,448,289.20-790,829.60

Finding the Fourth Proportional to 1,634,136.80, 2,448,289.20 and 790,829.60

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Solution

The fourth proportional to 1,634,136.80, 2,448,289.20 and 790,829.60 is: 1,184,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,136.80 : 2,448,289.20 = 790,829.60 : x
  2. Step 2: Convert to fraction form
    1,634,136.80/2,448,289.20 = 790,829.60/x
  3. Step 3: Cross multiply
    1,634,136.80x = 2,448,289.20 × 790,829.60
  4. Step 4: Simplify right side
    1,634,136.80x = 1,936,179,568,720.32
  5. Step 5: Solve for x
    x = 1,936,179,568,720.32/1,634,136.80
  6. Step 6: Final answer
    x = 1,184,833.22

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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.