Home / 1,138,735.41-1,571,454.63-622,491.48

Finding the Fourth Proportional to 1,138,735.41, 1,571,454.63 and 622,491.48

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Solution

The fourth proportional to 1,138,735.41, 1,571,454.63 and 622,491.48 is: 859,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,735.41 : 1,571,454.63 = 622,491.48 : x
  2. Step 2: Convert to fraction form
    1,138,735.41/1,571,454.63 = 622,491.48/x
  3. Step 3: Cross multiply
    1,138,735.41x = 1,571,454.63 × 622,491.48
  4. Step 4: Simplify right side
    1,138,735.41x = 978,217,110,524.28
  5. Step 5: Solve for x
    x = 978,217,110,524.28/1,138,735.41
  6. Step 6: Final answer
    x = 859,038.11

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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.