Home / 1,418,142.30-1,956,987.99-845,172.06

Finding the Fourth Proportional to 1,418,142.30, 1,956,987.99 and 845,172.06

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Solution

The fourth proportional to 1,418,142.30, 1,956,987.99 and 845,172.06 is: 1,166,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,142.30 : 1,956,987.99 = 845,172.06 : x
  2. Step 2: Convert to fraction form
    1,418,142.30/1,956,987.99 = 845,172.06/x
  3. Step 3: Cross multiply
    1,418,142.30x = 1,956,987.99 × 845,172.06
  4. Step 4: Simplify right side
    1,418,142.30x = 1,653,991,570,903.56
  5. Step 5: Solve for x
    x = 1,653,991,570,903.56/1,418,142.30
  6. Step 6: Final answer
    x = 1,166,308.61

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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.