Home / 1,422,809.12-2,134,217.33-581,360.87

Finding the Fourth Proportional to 1,422,809.12, 2,134,217.33 and 581,360.87

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Solution

The fourth proportional to 1,422,809.12, 2,134,217.33 and 581,360.87 is: 872,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,809.12 : 2,134,217.33 = 581,360.87 : x
  2. Step 2: Convert to fraction form
    1,422,809.12/2,134,217.33 = 581,360.87/x
  3. Step 3: Cross multiply
    1,422,809.12x = 2,134,217.33 × 581,360.87
  4. Step 4: Simplify right side
    1,422,809.12x = 1,240,750,448,346.72
  5. Step 5: Solve for x
    x = 1,240,750,448,346.72/1,422,809.12
  6. Step 6: Final answer
    x = 872,042.80

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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.