Home / 1,201,636.74-1,801,209.48-751,323.51

Finding the Fourth Proportional to 1,201,636.74, 1,801,209.48 and 751,323.51

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Solution

The fourth proportional to 1,201,636.74, 1,801,209.48 and 751,323.51 is: 1,126,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,636.74 : 1,801,209.48 = 751,323.51 : x
  2. Step 2: Convert to fraction form
    1,201,636.74/1,801,209.48 = 751,323.51/x
  3. Step 3: Cross multiply
    1,201,636.74x = 1,801,209.48 × 751,323.51
  4. Step 4: Simplify right side
    1,201,636.74x = 1,353,291,028,758.87
  5. Step 5: Solve for x
    x = 1,353,291,028,758.87/1,201,636.74
  6. Step 6: Final answer
    x = 1,126,206.43

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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.