Home / 1,257,065.70-1,734,789.96-713,224.38

Finding the Fourth Proportional to 1,257,065.70, 1,734,789.96 and 713,224.38

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Solution

The fourth proportional to 1,257,065.70, 1,734,789.96 and 713,224.38 is: 984,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,065.70 : 1,734,789.96 = 713,224.38 : x
  2. Step 2: Convert to fraction form
    1,257,065.70/1,734,789.96 = 713,224.38/x
  3. Step 3: Cross multiply
    1,257,065.70x = 1,734,789.96 × 713,224.38
  4. Step 4: Simplify right side
    1,257,065.70x = 1,237,294,493,651.22
  5. Step 5: Solve for x
    x = 1,237,294,493,651.22/1,257,065.70
  6. Step 6: Final answer
    x = 984,271.94

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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.