Home / 1,645,760.28-2,271,337.56-920,791.68

Finding the Fourth Proportional to 1,645,760.28, 2,271,337.56 and 920,791.68

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Solution

The fourth proportional to 1,645,760.28, 2,271,337.56 and 920,791.68 is: 1,270,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,760.28 : 2,271,337.56 = 920,791.68 : x
  2. Step 2: Convert to fraction form
    1,645,760.28/2,271,337.56 = 920,791.68/x
  3. Step 3: Cross multiply
    1,645,760.28x = 2,271,337.56 × 920,791.68
  4. Step 4: Simplify right side
    1,645,760.28x = 2,091,428,727,719.50
  5. Step 5: Solve for x
    x = 2,091,428,727,719.50/1,645,760.28
  6. Step 6: Final answer
    x = 1,270,797.91

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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.