Home / 1,498,654.50-2,068,138.76-810,321.46

Finding the Fourth Proportional to 1,498,654.50, 2,068,138.76 and 810,321.46

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Solution

The fourth proportional to 1,498,654.50, 2,068,138.76 and 810,321.46 is: 1,118,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,654.50 : 2,068,138.76 = 810,321.46 : x
  2. Step 2: Convert to fraction form
    1,498,654.50/2,068,138.76 = 810,321.46/x
  3. Step 3: Cross multiply
    1,498,654.50x = 2,068,138.76 × 810,321.46
  4. Step 4: Simplify right side
    1,498,654.50x = 1,675,857,219,485.79
  5. Step 5: Solve for x
    x = 1,675,857,219,485.79/1,498,654.50
  6. Step 6: Final answer
    x = 1,118,241.21

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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.