Home / 1,318,835.69-1,977,976.67-371,984.97

Finding the Fourth Proportional to 1,318,835.69, 1,977,976.67 and 371,984.97

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Solution

The fourth proportional to 1,318,835.69, 1,977,976.67 and 371,984.97 is: 557,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,835.69 : 1,977,976.67 = 371,984.97 : x
  2. Step 2: Convert to fraction form
    1,318,835.69/1,977,976.67 = 371,984.97/x
  3. Step 3: Cross multiply
    1,318,835.69x = 1,977,976.67 × 371,984.97
  4. Step 4: Simplify right side
    1,318,835.69x = 735,777,592,250.65
  5. Step 5: Solve for x
    x = 735,777,592,250.65/1,318,835.69
  6. Step 6: Final answer
    x = 557,899.37

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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.