Home / 1,305,140.14-1,801,066.26-724,329.55

Finding the Fourth Proportional to 1,305,140.14, 1,801,066.26 and 724,329.55

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Solution

The fourth proportional to 1,305,140.14, 1,801,066.26 and 724,329.55 is: 999,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,140.14 : 1,801,066.26 = 724,329.55 : x
  2. Step 2: Convert to fraction form
    1,305,140.14/1,801,066.26 = 724,329.55/x
  3. Step 3: Cross multiply
    1,305,140.14x = 1,801,066.26 × 724,329.55
  4. Step 4: Simplify right side
    1,305,140.14x = 1,304,565,504,620.65
  5. Step 5: Solve for x
    x = 1,304,565,504,620.65/1,305,140.14
  6. Step 6: Final answer
    x = 999,559.72

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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.