Home / 1,269,138.72-1,902,494.52-470,205.84

Finding the Fourth Proportional to 1,269,138.72, 1,902,494.52 and 470,205.84

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Solution

The fourth proportional to 1,269,138.72, 1,902,494.52 and 470,205.84 is: 704,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,138.72 : 1,902,494.52 = 470,205.84 : x
  2. Step 2: Convert to fraction form
    1,269,138.72/1,902,494.52 = 470,205.84/x
  3. Step 3: Cross multiply
    1,269,138.72x = 1,902,494.52 × 470,205.84
  4. Step 4: Simplify right side
    1,269,138.72x = 894,564,033,872.00
  5. Step 5: Solve for x
    x = 894,564,033,872.00/1,269,138.72
  6. Step 6: Final answer
    x = 704,859.15

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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.