Home / 1,228,589.10-1,842,883.65-1,122,300.90

Finding the Fourth Proportional to 1,228,589.10, 1,842,883.65 and 1,122,300.90

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Solution

The fourth proportional to 1,228,589.10, 1,842,883.65 and 1,122,300.90 is: 1,683,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,589.10 : 1,842,883.65 = 1,122,300.90 : x
  2. Step 2: Convert to fraction form
    1,228,589.10/1,842,883.65 = 1,122,300.90/x
  3. Step 3: Cross multiply
    1,228,589.10x = 1,842,883.65 × 1,122,300.90
  4. Step 4: Simplify right side
    1,228,589.10x = 2,068,269,978,990.28
  5. Step 5: Solve for x
    x = 2,068,269,978,990.28/1,228,589.10
  6. Step 6: Final answer
    x = 1,683,451.35

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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.