Home / 1,122,081.30-1,680,752.70-743,183.55

Finding the Fourth Proportional to 1,122,081.30, 1,680,752.70 and 743,183.55

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Solution

The fourth proportional to 1,122,081.30, 1,680,752.70 and 743,183.55 is: 1,113,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,081.30 : 1,680,752.70 = 743,183.55 : x
  2. Step 2: Convert to fraction form
    1,122,081.30/1,680,752.70 = 743,183.55/x
  3. Step 3: Cross multiply
    1,122,081.30x = 1,680,752.70 × 743,183.55
  4. Step 4: Simplify right side
    1,122,081.30x = 1,249,107,758,258.09
  5. Step 5: Solve for x
    x = 1,249,107,758,258.09/1,122,081.30
  6. Step 6: Final answer
    x = 1,113,206.11

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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.