Home / 1,208,294.41-1,667,389.20-664,453.12

Finding the Fourth Proportional to 1,208,294.41, 1,667,389.20 and 664,453.12

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Solution

The fourth proportional to 1,208,294.41, 1,667,389.20 and 664,453.12 is: 916,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,294.41 : 1,667,389.20 = 664,453.12 : x
  2. Step 2: Convert to fraction form
    1,208,294.41/1,667,389.20 = 664,453.12/x
  3. Step 3: Cross multiply
    1,208,294.41x = 1,667,389.20 × 664,453.12
  4. Step 4: Simplify right side
    1,208,294.41x = 1,107,901,952,025.83
  5. Step 5: Solve for x
    x = 1,107,901,952,025.83/1,208,294.41
  6. Step 6: Final answer
    x = 916,913.91

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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.