Home / 1,628,100-2,246,806.08-902,979.36

Finding the Fourth Proportional to 1,628,100, 2,246,806.08 and 902,979.36

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Solution

The fourth proportional to 1,628,100, 2,246,806.08 and 902,979.36 is: 1,246,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,100 : 2,246,806.08 = 902,979.36 : x
  2. Step 2: Convert to fraction form
    1,628,100/2,246,806.08 = 902,979.36/x
  3. Step 3: Cross multiply
    1,628,100x = 2,246,806.08 × 902,979.36
  4. Step 4: Simplify right side
    1,628,100x = 2,028,819,516,162.51
  5. Step 5: Solve for x
    x = 2,028,819,516,162.51/1,628,100
  6. Step 6: Final answer
    x = 1,246,127.09

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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.