Home / 1,321,980.84-1,982,617.02-573,849

Finding the Fourth Proportional to 1,321,980.84, 1,982,617.02 and 573,849

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Solution

The fourth proportional to 1,321,980.84, 1,982,617.02 and 573,849 is: 860,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,980.84 : 1,982,617.02 = 573,849 : x
  2. Step 2: Convert to fraction form
    1,321,980.84/1,982,617.02 = 573,849/x
  3. Step 3: Cross multiply
    1,321,980.84x = 1,982,617.02 × 573,849
  4. Step 4: Simplify right side
    1,321,980.84x = 1,137,722,794,309.98
  5. Step 5: Solve for x
    x = 1,137,722,794,309.98/1,321,980.84
  6. Step 6: Final answer
    x = 860,619.73

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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.