Home / 1,139,476.07-1,706,321.57-683,780.81

Finding the Fourth Proportional to 1,139,476.07, 1,706,321.57 and 683,780.81

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Solution

The fourth proportional to 1,139,476.07, 1,706,321.57 and 683,780.81 is: 1,023,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,476.07 : 1,706,321.57 = 683,780.81 : x
  2. Step 2: Convert to fraction form
    1,139,476.07/1,706,321.57 = 683,780.81/x
  3. Step 3: Cross multiply
    1,139,476.07x = 1,706,321.57 × 683,780.81
  4. Step 4: Simplify right side
    1,139,476.07x = 1,166,749,933,304.56
  5. Step 5: Solve for x
    x = 1,166,749,933,304.56/1,139,476.07
  6. Step 6: Final answer
    x = 1,023,935.44

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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.