Home / 1,302,727.65-1,954,017.35-391,890.75

Finding the Fourth Proportional to 1,302,727.65, 1,954,017.35 and 391,890.75

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Solution

The fourth proportional to 1,302,727.65, 1,954,017.35 and 391,890.75 is: 587,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,727.65 : 1,954,017.35 = 391,890.75 : x
  2. Step 2: Convert to fraction form
    1,302,727.65/1,954,017.35 = 391,890.75/x
  3. Step 3: Cross multiply
    1,302,727.65x = 1,954,017.35 × 391,890.75
  4. Step 4: Simplify right side
    1,302,727.65x = 765,761,324,804.51
  5. Step 5: Solve for x
    x = 765,761,324,804.51/1,302,727.65
  6. Step 6: Final answer
    x = 587,813.83

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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.