Home / 1,347,519.60-2,021,279.40-1,214,659.35

Finding the Fourth Proportional to 1,347,519.60, 2,021,279.40 and 1,214,659.35

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Solution

The fourth proportional to 1,347,519.60, 2,021,279.40 and 1,214,659.35 is: 1,821,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,519.60 : 2,021,279.40 = 1,214,659.35 : x
  2. Step 2: Convert to fraction form
    1,347,519.60/2,021,279.40 = 1,214,659.35/x
  3. Step 3: Cross multiply
    1,347,519.60x = 2,021,279.40 × 1,214,659.35
  4. Step 4: Simplify right side
    1,347,519.60x = 2,455,165,922,172.39
  5. Step 5: Solve for x
    x = 2,455,165,922,172.39/1,347,519.60
  6. Step 6: Final answer
    x = 1,821,989.03

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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.