Home / 1,483,930.60-2,047,839.78-839,357.80

Finding the Fourth Proportional to 1,483,930.60, 2,047,839.78 and 839,357.80

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Solution

The fourth proportional to 1,483,930.60, 2,047,839.78 and 839,357.80 is: 1,158,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,930.60 : 2,047,839.78 = 839,357.80 : x
  2. Step 2: Convert to fraction form
    1,483,930.60/2,047,839.78 = 839,357.80/x
  3. Step 3: Cross multiply
    1,483,930.60x = 2,047,839.78 × 839,357.80
  4. Step 4: Simplify right side
    1,483,930.60x = 1,718,870,292,493.28
  5. Step 5: Solve for x
    x = 1,718,870,292,493.28/1,483,930.60
  6. Step 6: Final answer
    x = 1,158,322.56

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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.