Home / 1,208,146.76-1,667,285.37-664,323.98

Finding the Fourth Proportional to 1,208,146.76, 1,667,285.37 and 664,323.98

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Solution

The fourth proportional to 1,208,146.76, 1,667,285.37 and 664,323.98 is: 916,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,146.76 : 1,667,285.37 = 664,323.98 : x
  2. Step 2: Convert to fraction form
    1,208,146.76/1,667,285.37 = 664,323.98/x
  3. Step 3: Cross multiply
    1,208,146.76x = 1,667,285.37 × 664,323.98
  4. Step 4: Simplify right side
    1,208,146.76x = 1,107,617,652,794.17
  5. Step 5: Solve for x
    x = 1,107,617,652,794.17/1,208,146.76
  6. Step 6: Final answer
    x = 916,790.65

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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.