Home / 1,764,460.80-2,434,854.96-979,486.38

Finding the Fourth Proportional to 1,764,460.80, 2,434,854.96 and 979,486.38

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Solution

The fourth proportional to 1,764,460.80, 2,434,854.96 and 979,486.38 is: 1,351,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,460.80 : 2,434,854.96 = 979,486.38 : x
  2. Step 2: Convert to fraction form
    1,764,460.80/2,434,854.96 = 979,486.38/x
  3. Step 3: Cross multiply
    1,764,460.80x = 2,434,854.96 × 979,486.38
  4. Step 4: Simplify right side
    1,764,460.80x = 2,384,907,270,595.44
  5. Step 5: Solve for x
    x = 2,384,907,270,595.44/1,764,460.80
  6. Step 6: Final answer
    x = 1,351,635.17

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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.