Home / 1,433,292.60-2,149,809.30-486,694.20

Finding the Fourth Proportional to 1,433,292.60, 2,149,809.30 and 486,694.20

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Solution

The fourth proportional to 1,433,292.60, 2,149,809.30 and 486,694.20 is: 729,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,292.60 : 2,149,809.30 = 486,694.20 : x
  2. Step 2: Convert to fraction form
    1,433,292.60/2,149,809.30 = 486,694.20/x
  3. Step 3: Cross multiply
    1,433,292.60x = 2,149,809.30 × 486,694.20
  4. Step 4: Simplify right side
    1,433,292.60x = 1,046,299,717,416.06
  5. Step 5: Solve for x
    x = 1,046,299,717,416.06/1,433,292.60
  6. Step 6: Final answer
    x = 729,997.29

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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.