Home / 1,266,084-1,899,126-379,620

Finding the Fourth Proportional to 1,266,084, 1,899,126 and 379,620

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Solution

The fourth proportional to 1,266,084, 1,899,126 and 379,620 is: 569,430

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,084 : 1,899,126 = 379,620 : x
  2. Step 2: Convert to fraction form
    1,266,084/1,899,126 = 379,620/x
  3. Step 3: Cross multiply
    1,266,084x = 1,899,126 × 379,620
  4. Step 4: Simplify right side
    1,266,084x = 720,946,212,120
  5. Step 5: Solve for x
    x = 720,946,212,120/1,266,084
  6. Step 6: Final answer
    x = 569,430

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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.