Home / 1,208,581.36-1,667,883-664,740.04

Finding the Fourth Proportional to 1,208,581.36, 1,667,883 and 664,740.04

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Solution

The fourth proportional to 1,208,581.36, 1,667,883 and 664,740.04 is: 917,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,581.36 : 1,667,883 = 664,740.04 : x
  2. Step 2: Convert to fraction form
    1,208,581.36/1,667,883 = 664,740.04/x
  3. Step 3: Cross multiply
    1,208,581.36x = 1,667,883 × 664,740.04
  4. Step 4: Simplify right side
    1,208,581.36x = 1,108,708,612,135.32
  5. Step 5: Solve for x
    x = 1,108,708,612,135.32/1,208,581.36
  6. Step 6: Final answer
    x = 917,363.65

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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.