Home / 1,610,422-2,222,410.44-885,300.28

Finding the Fourth Proportional to 1,610,422, 2,222,410.44 and 885,300.28

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Solution

The fourth proportional to 1,610,422, 2,222,410.44 and 885,300.28 is: 1,221,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,422 : 2,222,410.44 = 885,300.28 : x
  2. Step 2: Convert to fraction form
    1,610,422/2,222,410.44 = 885,300.28/x
  3. Step 3: Cross multiply
    1,610,422x = 2,222,410.44 × 885,300.28
  4. Step 4: Simplify right side
    1,610,422x = 1,967,500,584,806.92
  5. Step 5: Solve for x
    x = 1,967,500,584,806.92/1,610,422
  6. Step 6: Final answer
    x = 1,221,729.82

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Double scale
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1.5x scale

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.