Home / 1,580,179.77-2,180,631.69-855,011.48

Finding the Fourth Proportional to 1,580,179.77, 2,180,631.69 and 855,011.48

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Solution

The fourth proportional to 1,580,179.77, 2,180,631.69 and 855,011.48 is: 1,179,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,179.77 : 2,180,631.69 = 855,011.48 : x
  2. Step 2: Convert to fraction form
    1,580,179.77/2,180,631.69 = 855,011.48/x
  3. Step 3: Cross multiply
    1,580,179.77x = 2,180,631.69 × 855,011.48
  4. Step 4: Simplify right side
    1,580,179.77x = 1,864,465,117,698.64
  5. Step 5: Solve for x
    x = 1,864,465,117,698.64/1,580,179.77
  6. Step 6: Final answer
    x = 1,179,906.97

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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.