Home / 1,262,351.42-1,742,058.82-689,408.46

Finding the Fourth Proportional to 1,262,351.42, 1,742,058.82 and 689,408.46

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Solution

The fourth proportional to 1,262,351.42, 1,742,058.82 and 689,408.46 is: 951,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,351.42 : 1,742,058.82 = 689,408.46 : x
  2. Step 2: Convert to fraction form
    1,262,351.42/1,742,058.82 = 689,408.46/x
  3. Step 3: Cross multiply
    1,262,351.42x = 1,742,058.82 × 689,408.46
  4. Step 4: Simplify right side
    1,262,351.42x = 1,200,990,088,325.62
  5. Step 5: Solve for x
    x = 1,200,990,088,325.62/1,262,351.42
  6. Step 6: Final answer
    x = 951,391.24

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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.