Home / 1,432,335.60-2,145,911.40-682,729.20

Finding the Fourth Proportional to 1,432,335.60, 2,145,911.40 and 682,729.20

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Solution

The fourth proportional to 1,432,335.60, 2,145,911.40 and 682,729.20 is: 1,022,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,335.60 : 2,145,911.40 = 682,729.20 : x
  2. Step 2: Convert to fraction form
    1,432,335.60/2,145,911.40 = 682,729.20/x
  3. Step 3: Cross multiply
    1,432,335.60x = 2,145,911.40 × 682,729.20
  4. Step 4: Simplify right side
    1,432,335.60x = 1,465,076,373,392.88
  5. Step 5: Solve for x
    x = 1,465,076,373,392.88/1,432,335.60
  6. Step 6: Final answer
    x = 1,022,858.31

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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.