Home / 1,347,129.63-2,021,029.26-400,498.83

Finding the Fourth Proportional to 1,347,129.63, 2,021,029.26 and 400,498.83

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Solution

The fourth proportional to 1,347,129.63, 2,021,029.26 and 400,498.83 is: 600,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,129.63 : 2,021,029.26 = 400,498.83 : x
  2. Step 2: Convert to fraction form
    1,347,129.63/2,021,029.26 = 400,498.83/x
  3. Step 3: Cross multiply
    1,347,129.63x = 2,021,029.26 × 400,498.83
  4. Step 4: Simplify right side
    1,347,129.63x = 809,419,854,025.77
  5. Step 5: Solve for x
    x = 809,419,854,025.77/1,347,129.63
  6. Step 6: Final answer
    x = 600,847.78

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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.