Home / 1,208,653.37-1,667,942.50-664,830.53

Finding the Fourth Proportional to 1,208,653.37, 1,667,942.50 and 664,830.53

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Solution

The fourth proportional to 1,208,653.37, 1,667,942.50 and 664,830.53 is: 917,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,653.37 : 1,667,942.50 = 664,830.53 : x
  2. Step 2: Convert to fraction form
    1,208,653.37/1,667,942.50 = 664,830.53/x
  3. Step 3: Cross multiply
    1,208,653.37x = 1,667,942.50 × 664,830.53
  4. Step 4: Simplify right side
    1,208,653.37x = 1,108,899,096,284.53
  5. Step 5: Solve for x
    x = 1,108,899,096,284.53/1,208,653.37
  6. Step 6: Final answer
    x = 917,466.60

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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.