Home / 1,697,910.12-2,545,988.76-499,676.86

Finding the Fourth Proportional to 1,697,910.12, 2,545,988.76 and 499,676.86

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Solution

The fourth proportional to 1,697,910.12, 2,545,988.76 and 499,676.86 is: 749,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,910.12 : 2,545,988.76 = 499,676.86 : x
  2. Step 2: Convert to fraction form
    1,697,910.12/2,545,988.76 = 499,676.86/x
  3. Step 3: Cross multiply
    1,697,910.12x = 2,545,988.76 × 499,676.86
  4. Step 4: Simplify right side
    1,697,910.12x = 1,272,171,669,192.09
  5. Step 5: Solve for x
    x = 1,272,171,669,192.09/1,697,910.12
  6. Step 6: Final answer
    x = 749,257.37

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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.