Home / 1,309,462.68-1,964,277.10-410,939.88

Finding the Fourth Proportional to 1,309,462.68, 1,964,277.10 and 410,939.88

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Solution

The fourth proportional to 1,309,462.68, 1,964,277.10 and 410,939.88 is: 616,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,462.68 : 1,964,277.10 = 410,939.88 : x
  2. Step 2: Convert to fraction form
    1,309,462.68/1,964,277.10 = 410,939.88/x
  3. Step 3: Cross multiply
    1,309,462.68x = 1,964,277.10 × 410,939.88
  4. Step 4: Simplify right side
    1,309,462.68x = 807,199,795,760.75
  5. Step 5: Solve for x
    x = 807,199,795,760.75/1,309,462.68
  6. Step 6: Final answer
    x = 616,435.89

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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.