Home / 1,208,258.22-1,667,339.26-664,416.93

Finding the Fourth Proportional to 1,208,258.22, 1,667,339.26 and 664,416.93

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Solution

The fourth proportional to 1,208,258.22, 1,667,339.26 and 664,416.93 is: 916,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,258.22 : 1,667,339.26 = 664,416.93 : x
  2. Step 2: Convert to fraction form
    1,208,258.22/1,667,339.26 = 664,416.93/x
  3. Step 3: Cross multiply
    1,208,258.22x = 1,667,339.26 × 664,416.93
  4. Step 4: Simplify right side
    1,208,258.22x = 1,107,808,429,479.04
  5. Step 5: Solve for x
    x = 1,107,808,429,479.04/1,208,258.22
  6. Step 6: Final answer
    x = 916,863.97

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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.