Home / 1,214,848.18-1,821,136.40-540,563.27

Finding the Fourth Proportional to 1,214,848.18, 1,821,136.40 and 540,563.27

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Solution

The fourth proportional to 1,214,848.18, 1,821,136.40 and 540,563.27 is: 810,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,848.18 : 1,821,136.40 = 540,563.27 : x
  2. Step 2: Convert to fraction form
    1,214,848.18/1,821,136.40 = 540,563.27/x
  3. Step 3: Cross multiply
    1,214,848.18x = 1,821,136.40 × 540,563.27
  4. Step 4: Simplify right side
    1,214,848.18x = 984,439,449,350.05
  5. Step 5: Solve for x
    x = 984,439,449,350.05/1,214,848.18
  6. Step 6: Final answer
    x = 810,339.49

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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.