Home / 1,764,463.80-2,434,859.10-979,489.38

Finding the Fourth Proportional to 1,764,463.80, 2,434,859.10 and 979,489.38

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Solution

The fourth proportional to 1,764,463.80, 2,434,859.10 and 979,489.38 is: 1,351,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,463.80 : 2,434,859.10 = 979,489.38 : x
  2. Step 2: Convert to fraction form
    1,764,463.80/2,434,859.10 = 979,489.38/x
  3. Step 3: Cross multiply
    1,764,463.80x = 2,434,859.10 × 979,489.38
  4. Step 4: Simplify right side
    1,764,463.80x = 2,384,918,630,246.36
  5. Step 5: Solve for x
    x = 2,384,918,630,246.36/1,764,463.80
  6. Step 6: Final answer
    x = 1,351,639.31

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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.