Home / 1,257,070.82-1,734,796.85-713,229.53

Finding the Fourth Proportional to 1,257,070.82, 1,734,796.85 and 713,229.53

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Solution

The fourth proportional to 1,257,070.82, 1,734,796.85 and 713,229.53 is: 984,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,070.82 : 1,734,796.85 = 713,229.53 : x
  2. Step 2: Convert to fraction form
    1,257,070.82/1,734,796.85 = 713,229.53/x
  3. Step 3: Cross multiply
    1,257,070.82x = 1,734,796.85 × 713,229.53
  4. Step 4: Simplify right side
    1,257,070.82x = 1,237,308,329,730.85
  5. Step 5: Solve for x
    x = 1,237,308,329,730.85/1,257,070.82
  6. Step 6: Final answer
    x = 984,278.94

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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.