Home / 1,203,911.20-1,804,335.90-493,136.20

Finding the Fourth Proportional to 1,203,911.20, 1,804,335.90 and 493,136.20

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Solution

The fourth proportional to 1,203,911.20, 1,804,335.90 and 493,136.20 is: 739,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,911.20 : 1,804,335.90 = 493,136.20 : x
  2. Step 2: Convert to fraction form
    1,203,911.20/1,804,335.90 = 493,136.20/x
  3. Step 3: Cross multiply
    1,203,911.20x = 1,804,335.90 × 493,136.20
  4. Step 4: Simplify right side
    1,203,911.20x = 889,783,349,249.58
  5. Step 5: Solve for x
    x = 889,783,349,249.58/1,203,911.20
  6. Step 6: Final answer
    x = 739,077.23

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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.