Home / 1,286,077.31-1,928,928.18-375,014.96

Finding the Fourth Proportional to 1,286,077.31, 1,928,928.18 and 375,014.96

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Solution

The fourth proportional to 1,286,077.31, 1,928,928.18 and 375,014.96 is: 562,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,077.31 : 1,928,928.18 = 375,014.96 : x
  2. Step 2: Convert to fraction form
    1,286,077.31/1,928,928.18 = 375,014.96/x
  3. Step 3: Cross multiply
    1,286,077.31x = 1,928,928.18 × 375,014.96
  4. Step 4: Simplify right side
    1,286,077.31x = 723,376,912,745.86
  5. Step 5: Solve for x
    x = 723,376,912,745.86/1,286,077.31
  6. Step 6: Final answer
    x = 562,467.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.