Home / 1,279,282.26-1,765,437.08-706,358.73

Finding the Fourth Proportional to 1,279,282.26, 1,765,437.08 and 706,358.73

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Solution

The fourth proportional to 1,279,282.26, 1,765,437.08 and 706,358.73 is: 974,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,282.26 : 1,765,437.08 = 706,358.73 : x
  2. Step 2: Convert to fraction form
    1,279,282.26/1,765,437.08 = 706,358.73/x
  3. Step 3: Cross multiply
    1,279,282.26x = 1,765,437.08 × 706,358.73
  4. Step 4: Simplify right side
    1,279,282.26x = 1,247,031,893,723.71
  5. Step 5: Solve for x
    x = 1,247,031,893,723.71/1,279,282.26
  6. Step 6: Final answer
    x = 974,790.27

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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.