Home / 1,679,427.30-2,519,140.95-481,279.35

Finding the Fourth Proportional to 1,679,427.30, 2,519,140.95 and 481,279.35

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Solution

The fourth proportional to 1,679,427.30, 2,519,140.95 and 481,279.35 is: 721,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,427.30 : 2,519,140.95 = 481,279.35 : x
  2. Step 2: Convert to fraction form
    1,679,427.30/2,519,140.95 = 481,279.35/x
  3. Step 3: Cross multiply
    1,679,427.30x = 2,519,140.95 × 481,279.35
  4. Step 4: Simplify right side
    1,679,427.30x = 1,212,410,518,974.38
  5. Step 5: Solve for x
    x = 1,212,410,518,974.38/1,679,427.30
  6. Step 6: Final answer
    x = 721,919.03

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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.