Home / 1,340,422.89-2,010,002.67-486,892.84

Finding the Fourth Proportional to 1,340,422.89, 2,010,002.67 and 486,892.84

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Solution

The fourth proportional to 1,340,422.89, 2,010,002.67 and 486,892.84 is: 730,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,422.89 : 2,010,002.67 = 486,892.84 : x
  2. Step 2: Convert to fraction form
    1,340,422.89/2,010,002.67 = 486,892.84/x
  3. Step 3: Cross multiply
    1,340,422.89x = 2,010,002.67 × 486,892.84
  4. Step 4: Simplify right side
    1,340,422.89x = 978,655,900,037.35
  5. Step 5: Solve for x
    x = 978,655,900,037.35/1,340,422.89
  6. Step 6: Final answer
    x = 730,109.81

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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.