Home / 1,557,372.20-2,335,620.90-492,740.60

Finding the Fourth Proportional to 1,557,372.20, 2,335,620.90 and 492,740.60

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Solution

The fourth proportional to 1,557,372.20, 2,335,620.90 and 492,740.60 is: 738,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,372.20 : 2,335,620.90 = 492,740.60 : x
  2. Step 2: Convert to fraction form
    1,557,372.20/2,335,620.90 = 492,740.60/x
  3. Step 3: Cross multiply
    1,557,372.20x = 2,335,620.90 × 492,740.60
  4. Step 4: Simplify right side
    1,557,372.20x = 1,150,855,243,638.54
  5. Step 5: Solve for x
    x = 1,150,855,243,638.54/1,557,372.20
  6. Step 6: Final answer
    x = 738,972.51

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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.