Home / 988,867.90-1,483,301.85-978,370.30

Finding the Fourth Proportional to 988,867.90, 1,483,301.85 and 978,370.30

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Solution

The fourth proportional to 988,867.90, 1,483,301.85 and 978,370.30 is: 1,467,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,867.90 : 1,483,301.85 = 978,370.30 : x
  2. Step 2: Convert to fraction form
    988,867.90/1,483,301.85 = 978,370.30/x
  3. Step 3: Cross multiply
    988,867.90x = 1,483,301.85 × 978,370.30
  4. Step 4: Simplify right side
    988,867.90x = 1,451,218,475,975.06
  5. Step 5: Solve for x
    x = 1,451,218,475,975.06/988,867.90
  6. Step 6: Final answer
    x = 1,467,555.45

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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.