Home / 1,338,980.32-1,848,358.44-903,986.83

Finding the Fourth Proportional to 1,338,980.32, 1,848,358.44 and 903,986.83

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Solution

The fourth proportional to 1,338,980.32, 1,848,358.44 and 903,986.83 is: 1,247,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,980.32 : 1,848,358.44 = 903,986.83 : x
  2. Step 2: Convert to fraction form
    1,338,980.32/1,848,358.44 = 903,986.83/x
  3. Step 3: Cross multiply
    1,338,980.32x = 1,848,358.44 × 903,986.83
  4. Step 4: Simplify right side
    1,338,980.32x = 1,670,891,689,189.79
  5. Step 5: Solve for x
    x = 1,670,891,689,189.79/1,338,980.32
  6. Step 6: Final answer
    x = 1,247,883.68

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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.