Home / 1,012,987.62-1,519,999.82-414,391.14

Finding the Fourth Proportional to 1,012,987.62, 1,519,999.82 and 414,391.14

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Solution

The fourth proportional to 1,012,987.62, 1,519,999.82 and 414,391.14 is: 621,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,987.62 : 1,519,999.82 = 414,391.14 : x
  2. Step 2: Convert to fraction form
    1,012,987.62/1,519,999.82 = 414,391.14/x
  3. Step 3: Cross multiply
    1,012,987.62x = 1,519,999.82 × 414,391.14
  4. Step 4: Simplify right side
    1,012,987.62x = 629,874,458,209.60
  5. Step 5: Solve for x
    x = 629,874,458,209.60/1,012,987.62
  6. Step 6: Final answer
    x = 621,798.77

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1.5x scale

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.