Home / 1,289,712.36-1,934,586.77-491,037.58

Finding the Fourth Proportional to 1,289,712.36, 1,934,586.77 and 491,037.58

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Solution

The fourth proportional to 1,289,712.36, 1,934,586.77 and 491,037.58 is: 736,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,712.36 : 1,934,586.77 = 491,037.58 : x
  2. Step 2: Convert to fraction form
    1,289,712.36/1,934,586.77 = 491,037.58/x
  3. Step 3: Cross multiply
    1,289,712.36x = 1,934,586.77 × 491,037.58
  4. Step 4: Simplify right side
    1,289,712.36x = 949,954,805,840.82
  5. Step 5: Solve for x
    x = 949,954,805,840.82/1,289,712.36
  6. Step 6: Final answer
    x = 736,563.31

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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.