Home / 1,296,996-1,776,876.20-1,248,494.88

Finding the Fourth Proportional to 1,296,996, 1,776,876.20 and 1,248,494.88

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Solution

The fourth proportional to 1,296,996, 1,776,876.20 and 1,248,494.88 is: 1,710,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,996 : 1,776,876.20 = 1,248,494.88 : x
  2. Step 2: Convert to fraction form
    1,296,996/1,776,876.20 = 1,248,494.88/x
  3. Step 3: Cross multiply
    1,296,996x = 1,776,876.20 × 1,248,494.88
  4. Step 4: Simplify right side
    1,296,996x = 2,218,420,838,093.86
  5. Step 5: Solve for x
    x = 2,218,420,838,093.86/1,296,996
  6. Step 6: Final answer
    x = 1,710,429.98

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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.