Home / 1,383,558.20-2,075,337.30-486,013.40

Finding the Fourth Proportional to 1,383,558.20, 2,075,337.30 and 486,013.40

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Solution

The fourth proportional to 1,383,558.20, 2,075,337.30 and 486,013.40 is: 729,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,558.20 : 2,075,337.30 = 486,013.40 : x
  2. Step 2: Convert to fraction form
    1,383,558.20/2,075,337.30 = 486,013.40/x
  3. Step 3: Cross multiply
    1,383,558.20x = 2,075,337.30 × 486,013.40
  4. Step 4: Simplify right side
    1,383,558.20x = 1,008,641,737,319.82
  5. Step 5: Solve for x
    x = 1,008,641,737,319.82/1,383,558.20
  6. Step 6: Final answer
    x = 729,020.10

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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.