Home / 1,022,649.73-1,533,974.58-391,563.52

Finding the Fourth Proportional to 1,022,649.73, 1,533,974.58 and 391,563.52

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Solution

The fourth proportional to 1,022,649.73, 1,533,974.58 and 391,563.52 is: 587,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,649.73 : 1,533,974.58 = 391,563.52 : x
  2. Step 2: Convert to fraction form
    1,022,649.73/1,533,974.58 = 391,563.52/x
  3. Step 3: Cross multiply
    1,022,649.73x = 1,533,974.58 × 391,563.52
  4. Step 4: Simplify right side
    1,022,649.73x = 600,648,486,135.32
  5. Step 5: Solve for x
    x = 600,648,486,135.32/1,022,649.73
  6. Step 6: Final answer
    x = 587,345.27

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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.