Home / 1,538,307.90-2,122,856.78-850,027.23

Finding the Fourth Proportional to 1,538,307.90, 2,122,856.78 and 850,027.23

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Solution

The fourth proportional to 1,538,307.90, 2,122,856.78 and 850,027.23 is: 1,173,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,307.90 : 2,122,856.78 = 850,027.23 : x
  2. Step 2: Convert to fraction form
    1,538,307.90/2,122,856.78 = 850,027.23/x
  3. Step 3: Cross multiply
    1,538,307.90x = 2,122,856.78 × 850,027.23
  4. Step 4: Simplify right side
    1,538,307.90x = 1,804,486,064,139.98
  5. Step 5: Solve for x
    x = 1,804,486,064,139.98/1,538,307.90
  6. Step 6: Final answer
    x = 1,173,033.09

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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.