Home / 1,036,682.45-1,430,693.57-628,801.48

Finding the Fourth Proportional to 1,036,682.45, 1,430,693.57 and 628,801.48

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Solution

The fourth proportional to 1,036,682.45, 1,430,693.57 and 628,801.48 is: 867,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,682.45 : 1,430,693.57 = 628,801.48 : x
  2. Step 2: Convert to fraction form
    1,036,682.45/1,430,693.57 = 628,801.48/x
  3. Step 3: Cross multiply
    1,036,682.45x = 1,430,693.57 × 628,801.48
  4. Step 4: Simplify right side
    1,036,682.45x = 899,622,234,242.48
  5. Step 5: Solve for x
    x = 899,622,234,242.48/1,036,682.45
  6. Step 6: Final answer
    x = 867,789.59

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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.