Home / 1,340,735.57-1,850,251.60-728,929.50

Finding the Fourth Proportional to 1,340,735.57, 1,850,251.60 and 728,929.50

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Solution

The fourth proportional to 1,340,735.57, 1,850,251.60 and 728,929.50 is: 1,005,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,735.57 : 1,850,251.60 = 728,929.50 : x
  2. Step 2: Convert to fraction form
    1,340,735.57/1,850,251.60 = 728,929.50/x
  3. Step 3: Cross multiply
    1,340,735.57x = 1,850,251.60 × 728,929.50
  4. Step 4: Simplify right side
    1,340,735.57x = 1,348,702,973,662.20
  5. Step 5: Solve for x
    x = 1,348,702,973,662.20/1,340,735.57
  6. Step 6: Final answer
    x = 1,005,942.56

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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.