Home / 1,786,987.36-2,466,033.42-971,178.04

Finding the Fourth Proportional to 1,786,987.36, 2,466,033.42 and 971,178.04

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Solution

The fourth proportional to 1,786,987.36, 2,466,033.42 and 971,178.04 is: 1,340,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,987.36 : 2,466,033.42 = 971,178.04 : x
  2. Step 2: Convert to fraction form
    1,786,987.36/2,466,033.42 = 971,178.04/x
  3. Step 3: Cross multiply
    1,786,987.36x = 2,466,033.42 × 971,178.04
  4. Step 4: Simplify right side
    1,786,987.36x = 2,394,957,503,410.10
  5. Step 5: Solve for x
    x = 2,394,957,503,410.10/1,786,987.36
  6. Step 6: Final answer
    x = 1,340,220.73

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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.