Home / 1,619,805.20-2,429,999.40-673,271.60

Finding the Fourth Proportional to 1,619,805.20, 2,429,999.40 and 673,271.60

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Solution

The fourth proportional to 1,619,805.20, 2,429,999.40 and 673,271.60 is: 1,010,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,805.20 : 2,429,999.40 = 673,271.60 : x
  2. Step 2: Convert to fraction form
    1,619,805.20/2,429,999.40 = 673,271.60/x
  3. Step 3: Cross multiply
    1,619,805.20x = 2,429,999.40 × 673,271.60
  4. Step 4: Simplify right side
    1,619,805.20x = 1,636,049,584,037.04
  5. Step 5: Solve for x
    x = 1,636,049,584,037.04/1,619,805.20
  6. Step 6: Final answer
    x = 1,010,028.60

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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.