Home / 1,338,981.32-1,848,359.82-903,987.83

Finding the Fourth Proportional to 1,338,981.32, 1,848,359.82 and 903,987.83

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Solution

The fourth proportional to 1,338,981.32, 1,848,359.82 and 903,987.83 is: 1,247,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,981.32 : 1,848,359.82 = 903,987.83 : x
  2. Step 2: Convert to fraction form
    1,338,981.32/1,848,359.82 = 903,987.83/x
  3. Step 3: Cross multiply
    1,338,981.32x = 1,848,359.82 × 903,987.83
  4. Step 4: Simplify right side
    1,338,981.32x = 1,670,894,782,740.99
  5. Step 5: Solve for x
    x = 1,670,894,782,740.99/1,338,981.32
  6. Step 6: Final answer
    x = 1,247,885.06

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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.