Home / 1,379,235.94-1,903,315.76-798,483.69

Finding the Fourth Proportional to 1,379,235.94, 1,903,315.76 and 798,483.69

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Solution

The fourth proportional to 1,379,235.94, 1,903,315.76 and 798,483.69 is: 1,101,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,235.94 : 1,903,315.76 = 798,483.69 : x
  2. Step 2: Convert to fraction form
    1,379,235.94/1,903,315.76 = 798,483.69/x
  3. Step 3: Cross multiply
    1,379,235.94x = 1,903,315.76 × 798,483.69
  4. Step 4: Simplify right side
    1,379,235.94x = 1,519,766,591,279.95
  5. Step 5: Solve for x
    x = 1,519,766,591,279.95/1,379,235.94
  6. Step 6: Final answer
    x = 1,101,890.22

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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.