Home / 1,279,960.08-1,766,311.04-706,987.92

Finding the Fourth Proportional to 1,279,960.08, 1,766,311.04 and 706,987.92

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Solution

The fourth proportional to 1,279,960.08, 1,766,311.04 and 706,987.92 is: 975,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,960.08 : 1,766,311.04 = 706,987.92 : x
  2. Step 2: Convert to fraction form
    1,279,960.08/1,766,311.04 = 706,987.92/x
  3. Step 3: Cross multiply
    1,279,960.08x = 1,766,311.04 × 706,987.92
  4. Step 4: Simplify right side
    1,279,960.08x = 1,248,760,568,242.64
  5. Step 5: Solve for x
    x = 1,248,760,568,242.64/1,279,960.08
  6. Step 6: Final answer
    x = 975,624.62

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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.