Home / 1,260,488.72-1,739,609.19-770,745.27

Finding the Fourth Proportional to 1,260,488.72, 1,739,609.19 and 770,745.27

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Solution

The fourth proportional to 1,260,488.72, 1,739,609.19 and 770,745.27 is: 1,063,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,488.72 : 1,739,609.19 = 770,745.27 : x
  2. Step 2: Convert to fraction form
    1,260,488.72/1,739,609.19 = 770,745.27/x
  3. Step 3: Cross multiply
    1,260,488.72x = 1,739,609.19 × 770,745.27
  4. Step 4: Simplify right side
    1,260,488.72x = 1,340,795,561,364.57
  5. Step 5: Solve for x
    x = 1,340,795,561,364.57/1,260,488.72
  6. Step 6: Final answer
    x = 1,063,710.87

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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.