Home / 1,290,448.23-1,935,668.03-330,902.79

Finding the Fourth Proportional to 1,290,448.23, 1,935,668.03 and 330,902.79

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Solution

The fourth proportional to 1,290,448.23, 1,935,668.03 and 330,902.79 is: 496,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,448.23 : 1,935,668.03 = 330,902.79 : x
  2. Step 2: Convert to fraction form
    1,290,448.23/1,935,668.03 = 330,902.79/x
  3. Step 3: Cross multiply
    1,290,448.23x = 1,935,668.03 × 330,902.79
  4. Step 4: Simplify right side
    1,290,448.23x = 640,517,949,986.29
  5. Step 5: Solve for x
    x = 640,517,949,986.29/1,290,448.23
  6. Step 6: Final answer
    x = 496,353.08

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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.