Home / 1,422,809.50-2,134,217.90-581,361.25

Finding the Fourth Proportional to 1,422,809.50, 2,134,217.90 and 581,361.25

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Solution

The fourth proportional to 1,422,809.50, 2,134,217.90 and 581,361.25 is: 872,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,809.50 : 2,134,217.90 = 581,361.25 : x
  2. Step 2: Convert to fraction form
    1,422,809.50/2,134,217.90 = 581,361.25/x
  3. Step 3: Cross multiply
    1,422,809.50x = 2,134,217.90 × 581,361.25
  4. Step 4: Simplify right side
    1,422,809.50x = 1,240,751,583,209.57
  5. Step 5: Solve for x
    x = 1,240,751,583,209.57/1,422,809.50
  6. Step 6: Final answer
    x = 872,043.36

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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.