Home / 1,712,022.80-2,568,034.20-1,214,358.80

Finding the Fourth Proportional to 1,712,022.80, 2,568,034.20 and 1,214,358.80

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Solution

The fourth proportional to 1,712,022.80, 2,568,034.20 and 1,214,358.80 is: 1,821,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,022.80 : 2,568,034.20 = 1,214,358.80 : x
  2. Step 2: Convert to fraction form
    1,712,022.80/2,568,034.20 = 1,214,358.80/x
  3. Step 3: Cross multiply
    1,712,022.80x = 2,568,034.20 × 1,214,358.80
  4. Step 4: Simplify right side
    1,712,022.80x = 3,118,514,929,470.96
  5. Step 5: Solve for x
    x = 3,118,514,929,470.96/1,712,022.80
  6. Step 6: Final answer
    x = 1,821,538.20

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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.