Home / 1,296,982.68-1,776,858-1,248,481.55

Finding the Fourth Proportional to 1,296,982.68, 1,776,858 and 1,248,481.55

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Solution

The fourth proportional to 1,296,982.68, 1,776,858 and 1,248,481.55 is: 1,710,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,982.68 : 1,776,858 = 1,248,481.55 : x
  2. Step 2: Convert to fraction form
    1,296,982.68/1,776,858 = 1,248,481.55/x
  3. Step 3: Cross multiply
    1,296,982.68x = 1,776,858 × 1,248,481.55
  4. Step 4: Simplify right side
    1,296,982.68x = 2,218,374,429,969.90
  5. Step 5: Solve for x
    x = 2,218,374,429,969.90/1,296,982.68
  6. Step 6: Final answer
    x = 1,710,411.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.