Home / 1,415,697.80-2,120,436.30-1,229,073.80

Finding the Fourth Proportional to 1,415,697.80, 2,120,436.30 and 1,229,073.80

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Solution

The fourth proportional to 1,415,697.80, 2,120,436.30 and 1,229,073.80 is: 1,840,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,697.80 : 2,120,436.30 = 1,229,073.80 : x
  2. Step 2: Convert to fraction form
    1,415,697.80/2,120,436.30 = 1,229,073.80/x
  3. Step 3: Cross multiply
    1,415,697.80x = 2,120,436.30 × 1,229,073.80
  4. Step 4: Simplify right side
    1,415,697.80x = 2,606,172,700,898.94
  5. Step 5: Solve for x
    x = 2,606,172,700,898.94/1,415,697.80
  6. Step 6: Final answer
    x = 1,840,910.33

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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.