Home / 1,262,323.56-1,742,020.36-689,380.58

Finding the Fourth Proportional to 1,262,323.56, 1,742,020.36 and 689,380.58

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Solution

The fourth proportional to 1,262,323.56, 1,742,020.36 and 689,380.58 is: 951,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,323.56 : 1,742,020.36 = 689,380.58 : x
  2. Step 2: Convert to fraction form
    1,262,323.56/1,742,020.36 = 689,380.58/x
  3. Step 3: Cross multiply
    1,262,323.56x = 1,742,020.36 × 689,380.58
  4. Step 4: Simplify right side
    1,262,323.56x = 1,200,915,006,148.61
  5. Step 5: Solve for x
    x = 1,200,915,006,148.61/1,262,323.56
  6. Step 6: Final answer
    x = 951,352.76

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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.