Home / 1,208,404.08-1,667,640.43-664,581.96

Finding the Fourth Proportional to 1,208,404.08, 1,667,640.43 and 664,581.96

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Solution

The fourth proportional to 1,208,404.08, 1,667,640.43 and 664,581.96 is: 917,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,404.08 : 1,667,640.43 = 664,581.96 : x
  2. Step 2: Convert to fraction form
    1,208,404.08/1,667,640.43 = 664,581.96/x
  3. Step 3: Cross multiply
    1,208,404.08x = 1,667,640.43 × 664,581.96
  4. Step 4: Simplify right side
    1,208,404.08x = 1,108,283,748,052.29
  5. Step 5: Solve for x
    x = 1,108,283,748,052.29/1,208,404.08
  6. Step 6: Final answer
    x = 917,146.64

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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.