Home / 1,150,589.21-1,587,814.85-641,280.65

Finding the Fourth Proportional to 1,150,589.21, 1,587,814.85 and 641,280.65

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Solution

The fourth proportional to 1,150,589.21, 1,587,814.85 and 641,280.65 is: 884,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,589.21 : 1,587,814.85 = 641,280.65 : x
  2. Step 2: Convert to fraction form
    1,150,589.21/1,587,814.85 = 641,280.65/x
  3. Step 3: Cross multiply
    1,150,589.21x = 1,587,814.85 × 641,280.65
  4. Step 4: Simplify right side
    1,150,589.21x = 1,018,234,932,751.78
  5. Step 5: Solve for x
    x = 1,018,234,932,751.78/1,150,589.21
  6. Step 6: Final answer
    x = 884,968.27

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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.