Home / 1,461,212.70-2,188,866.60-829,388.40

Finding the Fourth Proportional to 1,461,212.70, 2,188,866.60 and 829,388.40

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Solution

The fourth proportional to 1,461,212.70, 2,188,866.60 and 829,388.40 is: 1,242,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,212.70 : 2,188,866.60 = 829,388.40 : x
  2. Step 2: Convert to fraction form
    1,461,212.70/2,188,866.60 = 829,388.40/x
  3. Step 3: Cross multiply
    1,461,212.70x = 2,188,866.60 × 829,388.40
  4. Step 4: Simplify right side
    1,461,212.70x = 1,815,420,567,187.44
  5. Step 5: Solve for x
    x = 1,815,420,567,187.44/1,461,212.70
  6. Step 6: Final answer
    x = 1,242,406.78

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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.