Home / 1,257,021.57-1,734,729.13-713,180.28

Finding the Fourth Proportional to 1,257,021.57, 1,734,729.13 and 713,180.28

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Solution

The fourth proportional to 1,257,021.57, 1,734,729.13 and 713,180.28 is: 984,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,021.57 : 1,734,729.13 = 713,180.28 : x
  2. Step 2: Convert to fraction form
    1,257,021.57/1,734,729.13 = 713,180.28/x
  3. Step 3: Cross multiply
    1,257,021.57x = 1,734,729.13 × 713,180.28
  4. Step 4: Simplify right side
    1,257,021.57x = 1,237,174,610,042.63
  5. Step 5: Solve for x
    x = 1,237,174,610,042.63/1,257,021.57
  6. Step 6: Final answer
    x = 984,211.12

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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.