Home / 1,620,180.13-2,430,240.09-483,712.87

Finding the Fourth Proportional to 1,620,180.13, 2,430,240.09 and 483,712.87

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Solution

The fourth proportional to 1,620,180.13, 2,430,240.09 and 483,712.87 is: 725,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,180.13 : 2,430,240.09 = 483,712.87 : x
  2. Step 2: Convert to fraction form
    1,620,180.13/2,430,240.09 = 483,712.87/x
  3. Step 3: Cross multiply
    1,620,180.13x = 2,430,240.09 × 483,712.87
  4. Step 4: Simplify right side
    1,620,180.13x = 1,175,538,408,722.96
  5. Step 5: Solve for x
    x = 1,175,538,408,722.96/1,620,180.13
  6. Step 6: Final answer
    x = 725,560.32

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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.