Home / 1,439,052.45-2,158,183.80-540,426.30

Finding the Fourth Proportional to 1,439,052.45, 2,158,183.80 and 540,426.30

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Solution

The fourth proportional to 1,439,052.45, 2,158,183.80 and 540,426.30 is: 810,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,052.45 : 2,158,183.80 = 540,426.30 : x
  2. Step 2: Convert to fraction form
    1,439,052.45/2,158,183.80 = 540,426.30/x
  3. Step 3: Cross multiply
    1,439,052.45x = 2,158,183.80 × 540,426.30
  4. Step 4: Simplify right side
    1,439,052.45x = 1,166,339,285,753.94
  5. Step 5: Solve for x
    x = 1,166,339,285,753.94/1,439,052.45
  6. Step 6: Final answer
    x = 810,491.16

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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.