Home / 1,538,300.90-2,122,847.12-850,020.22

Finding the Fourth Proportional to 1,538,300.90, 2,122,847.12 and 850,020.22

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Solution

The fourth proportional to 1,538,300.90, 2,122,847.12 and 850,020.22 is: 1,173,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,300.90 : 2,122,847.12 = 850,020.22 : x
  2. Step 2: Convert to fraction form
    1,538,300.90/2,122,847.12 = 850,020.22/x
  3. Step 3: Cross multiply
    1,538,300.90x = 2,122,847.12 × 850,020.22
  4. Step 4: Simplify right side
    1,538,300.90x = 1,804,462,975,968.77
  5. Step 5: Solve for x
    x = 1,804,462,975,968.77/1,538,300.90
  6. Step 6: Final answer
    x = 1,173,023.42

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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.