Home / 1,178,744.22-1,768,639.05-617,645.34

Finding the Fourth Proportional to 1,178,744.22, 1,768,639.05 and 617,645.34

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Solution

The fourth proportional to 1,178,744.22, 1,768,639.05 and 617,645.34 is: 926,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,744.22 : 1,768,639.05 = 617,645.34 : x
  2. Step 2: Convert to fraction form
    1,178,744.22/1,768,639.05 = 617,645.34/x
  3. Step 3: Cross multiply
    1,178,744.22x = 1,768,639.05 × 617,645.34
  4. Step 4: Simplify right side
    1,178,744.22x = 1,092,391,667,374.53
  5. Step 5: Solve for x
    x = 1,092,391,667,374.53/1,178,744.22
  6. Step 6: Final answer
    x = 926,741.91

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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.