Home / 1,208,412.77-1,667,576.36-664,548.55

Finding the Fourth Proportional to 1,208,412.77, 1,667,576.36 and 664,548.55

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Solution

The fourth proportional to 1,208,412.77, 1,667,576.36 and 664,548.55 is: 917,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,412.77 : 1,667,576.36 = 664,548.55 : x
  2. Step 2: Convert to fraction form
    1,208,412.77/1,667,576.36 = 664,548.55/x
  3. Step 3: Cross multiply
    1,208,412.77x = 1,667,576.36 × 664,548.55
  4. Step 4: Simplify right side
    1,208,412.77x = 1,108,185,449,544.71
  5. Step 5: Solve for x
    x = 1,108,185,449,544.71/1,208,412.77
  6. Step 6: Final answer
    x = 917,058.71

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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.