Home / 1,483,865.78-2,047,781.13-839,273.36

Finding the Fourth Proportional to 1,483,865.78, 2,047,781.13 and 839,273.36

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Solution

The fourth proportional to 1,483,865.78, 2,047,781.13 and 839,273.36 is: 1,158,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,865.78 : 2,047,781.13 = 839,273.36 : x
  2. Step 2: Convert to fraction form
    1,483,865.78/2,047,781.13 = 839,273.36/x
  3. Step 3: Cross multiply
    1,483,865.78x = 2,047,781.13 × 839,273.36
  4. Step 4: Simplify right side
    1,483,865.78x = 1,718,648,149,519.70
  5. Step 5: Solve for x
    x = 1,718,648,149,519.70/1,483,865.78
  6. Step 6: Final answer
    x = 1,158,223.45

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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.