Home / 1,424,101.33-2,136,149.83-426,829.33

Finding the Fourth Proportional to 1,424,101.33, 2,136,149.83 and 426,829.33

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Solution

The fourth proportional to 1,424,101.33, 2,136,149.83 and 426,829.33 is: 640,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,101.33 : 2,136,149.83 = 426,829.33 : x
  2. Step 2: Convert to fraction form
    1,424,101.33/2,136,149.83 = 426,829.33/x
  3. Step 3: Cross multiply
    1,424,101.33x = 2,136,149.83 × 426,829.33
  4. Step 4: Simplify right side
    1,424,101.33x = 911,771,400,718.51
  5. Step 5: Solve for x
    x = 911,771,400,718.51/1,424,101.33
  6. Step 6: Final answer
    x = 640,243.35

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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.