Home / 1,290,786.42-1,936,425.87-492,001.14

Finding the Fourth Proportional to 1,290,786.42, 1,936,425.87 and 492,001.14

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Solution

The fourth proportional to 1,290,786.42, 1,936,425.87 and 492,001.14 is: 738,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,786.42 : 1,936,425.87 = 492,001.14 : x
  2. Step 2: Convert to fraction form
    1,290,786.42/1,936,425.87 = 492,001.14/x
  3. Step 3: Cross multiply
    1,290,786.42x = 1,936,425.87 × 492,001.14
  4. Step 4: Simplify right side
    1,290,786.42x = 952,723,735,565.49
  5. Step 5: Solve for x
    x = 952,723,735,565.49/1,290,786.42
  6. Step 6: Final answer
    x = 738,095.57

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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.