Home / 1,317,215.88-1,817,759.72-713,603.88

Finding the Fourth Proportional to 1,317,215.88, 1,817,759.72 and 713,603.88

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Solution

The fourth proportional to 1,317,215.88, 1,817,759.72 and 713,603.88 is: 984,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,215.88 : 1,817,759.72 = 713,603.88 : x
  2. Step 2: Convert to fraction form
    1,317,215.88/1,817,759.72 = 713,603.88/x
  3. Step 3: Cross multiply
    1,317,215.88x = 1,817,759.72 × 713,603.88
  4. Step 4: Simplify right side
    1,317,215.88x = 1,297,160,389,099.71
  5. Step 5: Solve for x
    x = 1,297,160,389,099.71/1,317,215.88
  6. Step 6: Final answer
    x = 984,774.33

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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.