Home / 1,208,295.63-1,667,390.85-664,454.34

Finding the Fourth Proportional to 1,208,295.63, 1,667,390.85 and 664,454.34

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Solution

The fourth proportional to 1,208,295.63, 1,667,390.85 and 664,454.34 is: 916,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,295.63 : 1,667,390.85 = 664,454.34 : x
  2. Step 2: Convert to fraction form
    1,208,295.63/1,667,390.85 = 664,454.34/x
  3. Step 3: Cross multiply
    1,208,295.63x = 1,667,390.85 × 664,454.34
  4. Step 4: Simplify right side
    1,208,295.63x = 1,107,905,086,758.79
  5. Step 5: Solve for x
    x = 1,107,905,086,758.79/1,208,295.63
  6. Step 6: Final answer
    x = 916,915.58

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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.