Home / 1,335,288.48-1,842,869.52-762,197.28

Finding the Fourth Proportional to 1,335,288.48, 1,842,869.52 and 762,197.28

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Solution

The fourth proportional to 1,335,288.48, 1,842,869.52 and 762,197.28 is: 1,051,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,288.48 : 1,842,869.52 = 762,197.28 : x
  2. Step 2: Convert to fraction form
    1,335,288.48/1,842,869.52 = 762,197.28/x
  3. Step 3: Cross multiply
    1,335,288.48x = 1,842,869.52 × 762,197.28
  4. Step 4: Simplify right side
    1,335,288.48x = 1,404,630,135,538.91
  5. Step 5: Solve for x
    x = 1,404,630,135,538.91/1,335,288.48
  6. Step 6: Final answer
    x = 1,051,930.09

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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.