Home / 1,379,284.54-1,903,394.38-775,672.54

Finding the Fourth Proportional to 1,379,284.54, 1,903,394.38 and 775,672.54

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Solution

The fourth proportional to 1,379,284.54, 1,903,394.38 and 775,672.54 is: 1,070,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,284.54 : 1,903,394.38 = 775,672.54 : x
  2. Step 2: Convert to fraction form
    1,379,284.54/1,903,394.38 = 775,672.54/x
  3. Step 3: Cross multiply
    1,379,284.54x = 1,903,394.38 × 775,672.54
  4. Step 4: Simplify right side
    1,379,284.54x = 1,476,410,739,960.99
  5. Step 5: Solve for x
    x = 1,476,410,739,960.99/1,379,284.54
  6. Step 6: Final answer
    x = 1,070,417.82

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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.