Home / 1,483,484.70-2,225,227.05-978,287.70

Finding the Fourth Proportional to 1,483,484.70, 2,225,227.05 and 978,287.70

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Solution

The fourth proportional to 1,483,484.70, 2,225,227.05 and 978,287.70 is: 1,467,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,484.70 : 2,225,227.05 = 978,287.70 : x
  2. Step 2: Convert to fraction form
    1,483,484.70/2,225,227.05 = 978,287.70/x
  3. Step 3: Cross multiply
    1,483,484.70x = 2,225,227.05 × 978,287.70
  4. Step 4: Simplify right side
    1,483,484.70x = 2,176,912,252,722.28
  5. Step 5: Solve for x
    x = 2,176,912,252,722.28/1,483,484.70
  6. Step 6: Final answer
    x = 1,467,431.55

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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.