Home / 1,726,928.20-2,586,893.10-978,099.40

Finding the Fourth Proportional to 1,726,928.20, 2,586,893.10 and 978,099.40

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Solution

The fourth proportional to 1,726,928.20, 2,586,893.10 and 978,099.40 is: 1,465,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,928.20 : 2,586,893.10 = 978,099.40 : x
  2. Step 2: Convert to fraction form
    1,726,928.20/2,586,893.10 = 978,099.40/x
  3. Step 3: Cross multiply
    1,726,928.20x = 2,586,893.10 × 978,099.40
  4. Step 4: Simplify right side
    1,726,928.20x = 2,530,238,588,974.14
  5. Step 5: Solve for x
    x = 2,530,238,588,974.14/1,726,928.20
  6. Step 6: Final answer
    x = 1,465,167.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.