Home / 1,395,999.90-2,093,999.85-498,455.10

Finding the Fourth Proportional to 1,395,999.90, 2,093,999.85 and 498,455.10

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Solution

The fourth proportional to 1,395,999.90, 2,093,999.85 and 498,455.10 is: 747,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,999.90 : 2,093,999.85 = 498,455.10 : x
  2. Step 2: Convert to fraction form
    1,395,999.90/2,093,999.85 = 498,455.10/x
  3. Step 3: Cross multiply
    1,395,999.90x = 2,093,999.85 × 498,455.10
  4. Step 4: Simplify right side
    1,395,999.90x = 1,043,764,904,631.74
  5. Step 5: Solve for x
    x = 1,043,764,904,631.74/1,395,999.90
  6. Step 6: Final answer
    x = 747,682.65

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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.