Home / 1,302,731.37-1,951,209.86-1,000,990.89

Finding the Fourth Proportional to 1,302,731.37, 1,951,209.86 and 1,000,990.89

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Solution

The fourth proportional to 1,302,731.37, 1,951,209.86 and 1,000,990.89 is: 1,499,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,731.37 : 1,951,209.86 = 1,000,990.89 : x
  2. Step 2: Convert to fraction form
    1,302,731.37/1,951,209.86 = 1,000,990.89/x
  3. Step 3: Cross multiply
    1,302,731.37x = 1,951,209.86 × 1,000,990.89
  4. Step 4: Simplify right side
    1,302,731.37x = 1,953,143,289,333.22
  5. Step 5: Solve for x
    x = 1,953,143,289,333.22/1,302,731.37
  6. Step 6: Final answer
    x = 1,499,267.87

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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.