Home / 1,208,260.10-1,667,341.85-664,418.81

Finding the Fourth Proportional to 1,208,260.10, 1,667,341.85 and 664,418.81

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Solution

The fourth proportional to 1,208,260.10, 1,667,341.85 and 664,418.81 is: 916,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,260.10 : 1,667,341.85 = 664,418.81 : x
  2. Step 2: Convert to fraction form
    1,208,260.10/1,667,341.85 = 664,418.81/x
  3. Step 3: Cross multiply
    1,208,260.10x = 1,667,341.85 × 664,418.81
  4. Step 4: Simplify right side
    1,208,260.10x = 1,107,813,276,181.40
  5. Step 5: Solve for x
    x = 1,107,813,276,181.40/1,208,260.10
  6. Step 6: Final answer
    x = 916,866.56

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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.