Home / 1,419,967.76-2,128,373.96-1,081,893.86

Finding the Fourth Proportional to 1,419,967.76, 2,128,373.96 and 1,081,893.86

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Solution

The fourth proportional to 1,419,967.76, 2,128,373.96 and 1,081,893.86 is: 1,621,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,967.76 : 2,128,373.96 = 1,081,893.86 : x
  2. Step 2: Convert to fraction form
    1,419,967.76/2,128,373.96 = 1,081,893.86/x
  3. Step 3: Cross multiply
    1,419,967.76x = 2,128,373.96 × 1,081,893.86
  4. Step 4: Simplify right side
    1,419,967.76x = 2,302,674,703,056.55
  5. Step 5: Solve for x
    x = 2,302,674,703,056.55/1,419,967.76
  6. Step 6: Final answer
    x = 1,621,638.73

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