Home / 1,617,029.12-2,231,495.73-928,745.60

Finding the Fourth Proportional to 1,617,029.12, 2,231,495.73 and 928,745.60

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Solution

The fourth proportional to 1,617,029.12, 2,231,495.73 and 928,745.60 is: 1,281,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,029.12 : 2,231,495.73 = 928,745.60 : x
  2. Step 2: Convert to fraction form
    1,617,029.12/2,231,495.73 = 928,745.60/x
  3. Step 3: Cross multiply
    1,617,029.12x = 2,231,495.73 × 928,745.60
  4. Step 4: Simplify right side
    1,617,029.12x = 2,072,491,829,498.81
  5. Step 5: Solve for x
    x = 2,072,491,829,498.81/1,617,029.12
  6. Step 6: Final answer
    x = 1,281,666.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.