Home / 1,383,213.80-2,074,475.10-530,100.20

Finding the Fourth Proportional to 1,383,213.80, 2,074,475.10 and 530,100.20

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Solution

The fourth proportional to 1,383,213.80, 2,074,475.10 and 530,100.20 is: 795,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,213.80 : 2,074,475.10 = 530,100.20 : x
  2. Step 2: Convert to fraction form
    1,383,213.80/2,074,475.10 = 530,100.20/x
  3. Step 3: Cross multiply
    1,383,213.80x = 2,074,475.10 × 530,100.20
  4. Step 4: Simplify right side
    1,383,213.80x = 1,099,679,665,405.02
  5. Step 5: Solve for x
    x = 1,099,679,665,405.02/1,383,213.80
  6. Step 6: Final answer
    x = 795,017.85

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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.