Home / 1,785,581.72-2,464,120.55-969,801.36

Finding the Fourth Proportional to 1,785,581.72, 2,464,120.55 and 969,801.36

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Solution

The fourth proportional to 1,785,581.72, 2,464,120.55 and 969,801.36 is: 1,338,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,581.72 : 2,464,120.55 = 969,801.36 : x
  2. Step 2: Convert to fraction form
    1,785,581.72/2,464,120.55 = 969,801.36/x
  3. Step 3: Cross multiply
    1,785,581.72x = 2,464,120.55 × 969,801.36
  4. Step 4: Simplify right side
    1,785,581.72x = 2,389,707,455,744.94
  5. Step 5: Solve for x
    x = 2,389,707,455,744.94/1,785,581.72
  6. Step 6: Final answer
    x = 1,338,335.53

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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.