Home / 1,627,405.40-2,245,952.54-902,480.51

Finding the Fourth Proportional to 1,627,405.40, 2,245,952.54 and 902,480.51

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Solution

The fourth proportional to 1,627,405.40, 2,245,952.54 and 902,480.51 is: 1,245,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,405.40 : 2,245,952.54 = 902,480.51 : x
  2. Step 2: Convert to fraction form
    1,627,405.40/2,245,952.54 = 902,480.51/x
  3. Step 3: Cross multiply
    1,627,405.40x = 2,245,952.54 × 902,480.51
  4. Step 4: Simplify right side
    1,627,405.40x = 2,026,928,393,735.00
  5. Step 5: Solve for x
    x = 2,026,928,393,735.00/1,627,405.40
  6. Step 6: Final answer
    x = 1,245,496.91

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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.