Home / 1,209,873.52-1,815,083.68-400,256.03

Finding the Fourth Proportional to 1,209,873.52, 1,815,083.68 and 400,256.03

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Solution

The fourth proportional to 1,209,873.52, 1,815,083.68 and 400,256.03 is: 600,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,873.52 : 1,815,083.68 = 400,256.03 : x
  2. Step 2: Convert to fraction form
    1,209,873.52/1,815,083.68 = 400,256.03/x
  3. Step 3: Cross multiply
    1,209,873.52x = 1,815,083.68 × 400,256.03
  4. Step 4: Simplify right side
    1,209,873.52x = 726,498,185,630.48
  5. Step 5: Solve for x
    x = 726,498,185,630.48/1,209,873.52
  6. Step 6: Final answer
    x = 600,474.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.