Home / 1,216,426.41-1,678,299.75-848,893.77

Finding the Fourth Proportional to 1,216,426.41, 1,678,299.75 and 848,893.77

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Solution

The fourth proportional to 1,216,426.41, 1,678,299.75 and 848,893.77 is: 1,171,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,426.41 : 1,678,299.75 = 848,893.77 : x
  2. Step 2: Convert to fraction form
    1,216,426.41/1,678,299.75 = 848,893.77/x
  3. Step 3: Cross multiply
    1,216,426.41x = 1,678,299.75 × 848,893.77
  4. Step 4: Simplify right side
    1,216,426.41x = 1,424,698,201,967.56
  5. Step 5: Solve for x
    x = 1,424,698,201,967.56/1,216,426.41
  6. Step 6: Final answer
    x = 1,171,216.11

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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.