Home / 1,300,189.67-1,950,370.08-340,668.77

Finding the Fourth Proportional to 1,300,189.67, 1,950,370.08 and 340,668.77

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Solution

The fourth proportional to 1,300,189.67, 1,950,370.08 and 340,668.77 is: 511,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,189.67 : 1,950,370.08 = 340,668.77 : x
  2. Step 2: Convert to fraction form
    1,300,189.67/1,950,370.08 = 340,668.77/x
  3. Step 3: Cross multiply
    1,300,189.67x = 1,950,370.08 × 340,668.77
  4. Step 4: Simplify right side
    1,300,189.67x = 664,430,176,198.40
  5. Step 5: Solve for x
    x = 664,430,176,198.40/1,300,189.67
  6. Step 6: Final answer
    x = 511,025.58

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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.