Home / 1,379,568.98-1,903,791.43-767,711.27

Finding the Fourth Proportional to 1,379,568.98, 1,903,791.43 and 767,711.27

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Solution

The fourth proportional to 1,379,568.98, 1,903,791.43 and 767,711.27 is: 1,059,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,568.98 : 1,903,791.43 = 767,711.27 : x
  2. Step 2: Convert to fraction form
    1,379,568.98/1,903,791.43 = 767,711.27/x
  3. Step 3: Cross multiply
    1,379,568.98x = 1,903,791.43 × 767,711.27
  4. Step 4: Simplify right side
    1,379,568.98x = 1,461,562,142,259.53
  5. Step 5: Solve for x
    x = 1,461,562,142,259.53/1,379,568.98
  6. Step 6: Final answer
    x = 1,059,433.90

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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.