Home / 1,555,134.78-2,332,352.23-557,862.78

Finding the Fourth Proportional to 1,555,134.78, 2,332,352.23 and 557,862.78

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Solution

The fourth proportional to 1,555,134.78, 2,332,352.23 and 557,862.78 is: 836,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,134.78 : 2,332,352.23 = 557,862.78 : x
  2. Step 2: Convert to fraction form
    1,555,134.78/2,332,352.23 = 557,862.78/x
  3. Step 3: Cross multiply
    1,555,134.78x = 2,332,352.23 × 557,862.78
  4. Step 4: Simplify right side
    1,555,134.78x = 1,301,132,498,967.00
  5. Step 5: Solve for x
    x = 1,301,132,498,967.00/1,555,134.78
  6. Step 6: Final answer
    x = 836,668.64

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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.