Home / 1,286,140.33-1,774,745.69-742,451.27

Finding the Fourth Proportional to 1,286,140.33, 1,774,745.69 and 742,451.27

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Solution

The fourth proportional to 1,286,140.33, 1,774,745.69 and 742,451.27 is: 1,024,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,140.33 : 1,774,745.69 = 742,451.27 : x
  2. Step 2: Convert to fraction form
    1,286,140.33/1,774,745.69 = 742,451.27/x
  3. Step 3: Cross multiply
    1,286,140.33x = 1,774,745.69 × 742,451.27
  4. Step 4: Simplify right side
    1,286,140.33x = 1,317,662,183,057.83
  5. Step 5: Solve for x
    x = 1,317,662,183,057.83/1,286,140.33
  6. Step 6: Final answer
    x = 1,024,508.88

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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.