Home / 1,486,354.92-2,052,019.68-978,533.52

Finding the Fourth Proportional to 1,486,354.92, 2,052,019.68 and 978,533.52

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Solution

The fourth proportional to 1,486,354.92, 2,052,019.68 and 978,533.52 is: 1,350,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,354.92 : 2,052,019.68 = 978,533.52 : x
  2. Step 2: Convert to fraction form
    1,486,354.92/2,052,019.68 = 978,533.52/x
  3. Step 3: Cross multiply
    1,486,354.92x = 2,052,019.68 × 978,533.52
  4. Step 4: Simplify right side
    1,486,354.92x = 2,007,970,040,579.67
  5. Step 5: Solve for x
    x = 2,007,970,040,579.67/1,486,354.92
  6. Step 6: Final answer
    x = 1,350,935.78

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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.