Home / 1,109,918.78-1,664,809.86-683,535.86

Finding the Fourth Proportional to 1,109,918.78, 1,664,809.86 and 683,535.86

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Solution

The fourth proportional to 1,109,918.78, 1,664,809.86 and 683,535.86 is: 1,025,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,918.78 : 1,664,809.86 = 683,535.86 : x
  2. Step 2: Convert to fraction form
    1,109,918.78/1,664,809.86 = 683,535.86/x
  3. Step 3: Cross multiply
    1,109,918.78x = 1,664,809.86 × 683,535.86
  4. Step 4: Simplify right side
    1,109,918.78x = 1,137,957,239,391.58
  5. Step 5: Solve for x
    x = 1,137,957,239,391.58/1,109,918.78
  6. Step 6: Final answer
    x = 1,025,261.72

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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.