Home / 1,150,558.02-1,587,726.77-667,143.54

Finding the Fourth Proportional to 1,150,558.02, 1,587,726.77 and 667,143.54

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Solution

The fourth proportional to 1,150,558.02, 1,587,726.77 and 667,143.54 is: 920,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,558.02 : 1,587,726.77 = 667,143.54 : x
  2. Step 2: Convert to fraction form
    1,150,558.02/1,587,726.77 = 667,143.54/x
  3. Step 3: Cross multiply
    1,150,558.02x = 1,587,726.77 × 667,143.54
  4. Step 4: Simplify right side
    1,150,558.02x = 1,059,241,654,554.85
  5. Step 5: Solve for x
    x = 1,059,241,654,554.85/1,150,558.02
  6. Step 6: Final answer
    x = 920,632.98

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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.