Home / 1,256,469.30-1,885,651.18-920,371.14

Finding the Fourth Proportional to 1,256,469.30, 1,885,651.18 and 920,371.14

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Solution

The fourth proportional to 1,256,469.30, 1,885,651.18 and 920,371.14 is: 1,381,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,469.30 : 1,885,651.18 = 920,371.14 : x
  2. Step 2: Convert to fraction form
    1,256,469.30/1,885,651.18 = 920,371.14/x
  3. Step 3: Cross multiply
    1,256,469.30x = 1,885,651.18 × 920,371.14
  4. Step 4: Simplify right side
    1,256,469.30x = 1,735,498,923,878.02
  5. Step 5: Solve for x
    x = 1,735,498,923,878.02/1,256,469.30
  6. Step 6: Final answer
    x = 1,381,250.56

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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.