Home / 1,329,814.20-1,994,138.10-530,830.20

Finding the Fourth Proportional to 1,329,814.20, 1,994,138.10 and 530,830.20

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Solution

The fourth proportional to 1,329,814.20, 1,994,138.10 and 530,830.20 is: 796,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,814.20 : 1,994,138.10 = 530,830.20 : x
  2. Step 2: Convert to fraction form
    1,329,814.20/1,994,138.10 = 530,830.20/x
  3. Step 3: Cross multiply
    1,329,814.20x = 1,994,138.10 × 530,830.20
  4. Step 4: Simplify right side
    1,329,814.20x = 1,058,548,726,450.62
  5. Step 5: Solve for x
    x = 1,058,548,726,450.62/1,329,814.20
  6. Step 6: Final answer
    x = 796,012.50

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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.