Home / 881,237.70-1,321,856.55-821,751.30

Finding the Fourth Proportional to 881,237.70, 1,321,856.55 and 821,751.30

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Solution

The fourth proportional to 881,237.70, 1,321,856.55 and 821,751.30 is: 1,232,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,237.70 : 1,321,856.55 = 821,751.30 : x
  2. Step 2: Convert to fraction form
    881,237.70/1,321,856.55 = 821,751.30/x
  3. Step 3: Cross multiply
    881,237.70x = 1,321,856.55 × 821,751.30
  4. Step 4: Simplify right side
    881,237.70x = 1,086,237,338,376.02
  5. Step 5: Solve for x
    x = 1,086,237,338,376.02/881,237.70
  6. Step 6: Final answer
    x = 1,232,626.95

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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.