Home / 842,433.60-1,263,650.40-842,433.60

Finding the Fourth Proportional to 842,433.60, 1,263,650.40 and 842,433.60

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Solution

The fourth proportional to 842,433.60, 1,263,650.40 and 842,433.60 is: 1,263,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,433.60 : 1,263,650.40 = 842,433.60 : x
  2. Step 2: Convert to fraction form
    842,433.60/1,263,650.40 = 842,433.60/x
  3. Step 3: Cross multiply
    842,433.60x = 1,263,650.40 × 842,433.60
  4. Step 4: Simplify right side
    842,433.60x = 1,064,541,555,613.44
  5. Step 5: Solve for x
    x = 1,064,541,555,613.44/842,433.60
  6. Step 6: Final answer
    x = 1,263,650.40

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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.