Home / 1,150,451.28-1,587,628.08-667,302.48

Finding the Fourth Proportional to 1,150,451.28, 1,587,628.08 and 667,302.48

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Solution

The fourth proportional to 1,150,451.28, 1,587,628.08 and 667,302.48 is: 920,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,451.28 : 1,587,628.08 = 667,302.48 : x
  2. Step 2: Convert to fraction form
    1,150,451.28/1,587,628.08 = 667,302.48/x
  3. Step 3: Cross multiply
    1,150,451.28x = 1,587,628.08 × 667,302.48
  4. Step 4: Simplify right side
    1,150,451.28x = 1,059,428,155,101.64
  5. Step 5: Solve for x
    x = 1,059,428,155,101.64/1,150,451.28
  6. Step 6: Final answer
    x = 920,880.50

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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.