Home / 1,742,309.28-2,404,414.80-978,346.44

Finding the Fourth Proportional to 1,742,309.28, 2,404,414.80 and 978,346.44

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Solution

The fourth proportional to 1,742,309.28, 2,404,414.80 and 978,346.44 is: 1,350,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,309.28 : 2,404,414.80 = 978,346.44 : x
  2. Step 2: Convert to fraction form
    1,742,309.28/2,404,414.80 = 978,346.44/x
  3. Step 3: Cross multiply
    1,742,309.28x = 2,404,414.80 × 978,346.44
  4. Step 4: Simplify right side
    1,742,309.28x = 2,352,350,659,863.31
  5. Step 5: Solve for x
    x = 2,352,350,659,863.31/1,742,309.28
  6. Step 6: Final answer
    x = 1,350,133.81

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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.