Home / 1,262,537.32-1,742,273.34-689,579.56

Finding the Fourth Proportional to 1,262,537.32, 1,742,273.34 and 689,579.56

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Solution

The fourth proportional to 1,262,537.32, 1,742,273.34 and 689,579.56 is: 951,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,537.32 : 1,742,273.34 = 689,579.56 : x
  2. Step 2: Convert to fraction form
    1,262,537.32/1,742,273.34 = 689,579.56/x
  3. Step 3: Cross multiply
    1,262,537.32x = 1,742,273.34 × 689,579.56
  4. Step 4: Simplify right side
    1,262,537.32x = 1,201,436,083,196.93
  5. Step 5: Solve for x
    x = 1,201,436,083,196.93/1,262,537.32
  6. Step 6: Final answer
    x = 951,604.41

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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.