Home / 1,208,265.36-1,667,370.96-664,400.56

Finding the Fourth Proportional to 1,208,265.36, 1,667,370.96 and 664,400.56

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Solution

The fourth proportional to 1,208,265.36, 1,667,370.96 and 664,400.56 is: 916,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,265.36 : 1,667,370.96 = 664,400.56 : x
  2. Step 2: Convert to fraction form
    1,208,265.36/1,667,370.96 = 664,400.56/x
  3. Step 3: Cross multiply
    1,208,265.36x = 1,667,370.96 × 664,400.56
  4. Step 4: Simplify right side
    1,208,265.36x = 1,107,802,199,551.74
  5. Step 5: Solve for x
    x = 1,107,802,199,551.74/1,208,265.36
  6. Step 6: Final answer
    x = 916,853.40

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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.