Home / 1,290,448.33-1,935,666.01-330,899.65

Finding the Fourth Proportional to 1,290,448.33, 1,935,666.01 and 330,899.65

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Solution

The fourth proportional to 1,290,448.33, 1,935,666.01 and 330,899.65 is: 496,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,448.33 : 1,935,666.01 = 330,899.65 : x
  2. Step 2: Convert to fraction form
    1,290,448.33/1,935,666.01 = 330,899.65/x
  3. Step 3: Cross multiply
    1,290,448.33x = 1,935,666.01 × 330,899.65
  4. Step 4: Simplify right side
    1,290,448.33x = 640,511,200,800.36
  5. Step 5: Solve for x
    x = 640,511,200,800.36/1,290,448.33
  6. Step 6: Final answer
    x = 496,347.81

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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.