Home / 1,422,810-2,134,218.64-581,361.75

Finding the Fourth Proportional to 1,422,810, 2,134,218.64 and 581,361.75

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Solution

The fourth proportional to 1,422,810, 2,134,218.64 and 581,361.75 is: 872,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,810 : 2,134,218.64 = 581,361.75 : x
  2. Step 2: Convert to fraction form
    1,422,810/2,134,218.64 = 581,361.75/x
  3. Step 3: Cross multiply
    1,422,810x = 2,134,218.64 × 581,361.75
  4. Step 4: Simplify right side
    1,422,810x = 1,240,753,083,433.02
  5. Step 5: Solve for x
    x = 1,240,753,083,433.02/1,422,810
  6. Step 6: Final answer
    x = 872,044.11

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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.