Home / 1,257,367.72-1,735,119.12-713,471.02

Finding the Fourth Proportional to 1,257,367.72, 1,735,119.12 and 713,471.02

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Solution

The fourth proportional to 1,257,367.72, 1,735,119.12 and 713,471.02 is: 984,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,367.72 : 1,735,119.12 = 713,471.02 : x
  2. Step 2: Convert to fraction form
    1,257,367.72/1,735,119.12 = 713,471.02/x
  3. Step 3: Cross multiply
    1,257,367.72x = 1,735,119.12 × 713,471.02
  4. Step 4: Simplify right side
    1,257,367.72x = 1,237,957,208,367.90
  5. Step 5: Solve for x
    x = 1,237,957,208,367.90/1,257,367.72
  6. Step 6: Final answer
    x = 984,562.58

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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.