Home / 1,028,149.21-1,418,864.75-575,439.13

Finding the Fourth Proportional to 1,028,149.21, 1,418,864.75 and 575,439.13

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Solution

The fourth proportional to 1,028,149.21, 1,418,864.75 and 575,439.13 is: 794,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,149.21 : 1,418,864.75 = 575,439.13 : x
  2. Step 2: Convert to fraction form
    1,028,149.21/1,418,864.75 = 575,439.13/x
  3. Step 3: Cross multiply
    1,028,149.21x = 1,418,864.75 × 575,439.13
  4. Step 4: Simplify right side
    1,028,149.21x = 816,470,297,327.67
  5. Step 5: Solve for x
    x = 816,470,297,327.67/1,028,149.21
  6. Step 6: Final answer
    x = 794,116.54

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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.