Home / 1,339,343.82-2,010,338.87-700,280.55

Finding the Fourth Proportional to 1,339,343.82, 2,010,338.87 and 700,280.55

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Solution

The fourth proportional to 1,339,343.82, 2,010,338.87 and 700,280.55 is: 1,051,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,343.82 : 2,010,338.87 = 700,280.55 : x
  2. Step 2: Convert to fraction form
    1,339,343.82/2,010,338.87 = 700,280.55/x
  3. Step 3: Cross multiply
    1,339,343.82x = 2,010,338.87 × 700,280.55
  4. Step 4: Simplify right side
    1,339,343.82x = 1,407,801,206,068.58
  5. Step 5: Solve for x
    x = 1,407,801,206,068.58/1,339,343.82
  6. Step 6: Final answer
    x = 1,051,112.63

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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.