Home / 1,798,279.20-2,698,455.60-677,152.80

Finding the Fourth Proportional to 1,798,279.20, 2,698,455.60 and 677,152.80

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Solution

The fourth proportional to 1,798,279.20, 2,698,455.60 and 677,152.80 is: 1,016,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,279.20 : 2,698,455.60 = 677,152.80 : x
  2. Step 2: Convert to fraction form
    1,798,279.20/2,698,455.60 = 677,152.80/x
  3. Step 3: Cross multiply
    1,798,279.20x = 2,698,455.60 × 677,152.80
  4. Step 4: Simplify right side
    1,798,279.20x = 1,827,266,765,215.68
  5. Step 5: Solve for x
    x = 1,827,266,765,215.68/1,798,279.20
  6. Step 6: Final answer
    x = 1,016,119.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.