Home / 1,462,987.85-2,019,126.69-818,451.61

Finding the Fourth Proportional to 1,462,987.85, 2,019,126.69 and 818,451.61

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Solution

The fourth proportional to 1,462,987.85, 2,019,126.69 and 818,451.61 is: 1,129,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,987.85 : 2,019,126.69 = 818,451.61 : x
  2. Step 2: Convert to fraction form
    1,462,987.85/2,019,126.69 = 818,451.61/x
  3. Step 3: Cross multiply
    1,462,987.85x = 2,019,126.69 × 818,451.61
  4. Step 4: Simplify right side
    1,462,987.85x = 1,652,557,485,176.65
  5. Step 5: Solve for x
    x = 1,652,557,485,176.65/1,462,987.85
  6. Step 6: Final answer
    x = 1,129,577.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.