Home / 1,100,438.25-1,518,585.33-617,001.90

Finding the Fourth Proportional to 1,100,438.25, 1,518,585.33 and 617,001.90

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Solution

The fourth proportional to 1,100,438.25, 1,518,585.33 and 617,001.90 is: 851,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,438.25 : 1,518,585.33 = 617,001.90 : x
  2. Step 2: Convert to fraction form
    1,100,438.25/1,518,585.33 = 617,001.90/x
  3. Step 3: Cross multiply
    1,100,438.25x = 1,518,585.33 × 617,001.90
  4. Step 4: Simplify right side
    1,100,438.25x = 936,970,033,922.13
  5. Step 5: Solve for x
    x = 936,970,033,922.13/1,100,438.25
  6. Step 6: Final answer
    x = 851,451.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.